The 2018 Greek Championships were held from May 19 through May 20 in Thessaloniki, Greece.
Senior All-Around Results
| Rank | Athlete | Club | FX | PH | SR | VT | PB | HB | AA |
| 1 | Nikolaos Iliopoulos | Patras | 13.400 | 11.750 | 13.800 | 13.950 | 14.000 | 13.250 | 80.150 |
| 2 | Antonios Tantalidis | Argyroupolis | 13.900 | 10.850 | 12.400 | 14.200 | 12.600 | 13.050 | 77.000 |
| 3 | Georgios Chatziefstathiou | Olympiaki Floga | 12.100 | 13.200 | 13.200 | 12.350 | 13.000 | 12.700 | 76.550 |
| 4 | Ioannis Tounkas | Peristeriou Eirini | 12.300 | 11.800 | 12.850 | 13.600 | 12.000 | 12.750 | 75.300 |
| 5 | Panagiotis Tounkas | Peristeriou Eirini | 12.300 | 11.650 | 12.600 | 12.900 | 11.000 | 12.600 | 73.050 |
| 6 | Stefanos Tsolakidis | Diagoras Ampelokipon | 11.300 | 11.800 | 12.450 | 12.200 | 12.200 | 11.600 | 71.550 |
| 7 | Vasileios Tantalidis | Argyroupolis | 12.800 | 9.700 | 12.200 | 12.700 | 11.900 | 11.300 | 70.600 |
| 8 | Apostolos Kanellos | Pyramida | 11.450 | 11.500 | 11.750 | 11.750 | 11.750 | 11.700 | 69.900 |
| 9 | Georgios Garivaldis | Peristeriou Eirini | 11.600 | 10.500 | 10.850 | 13.300 | 11.700 | 11.700 | 69.650 |
| 10 | Nikolaos Kranitis | Argyroupolis | —— | 10.600 | 4.700 | 13.200 | 11.000 | 12.000 | 51.500 |
| 11 | Charalampos Kailidis | Terpsithea Stavropoulis | —— | 11.900 | 13.550 | —— | 10.900 | 12.900 | 49.250 |
| 12 | Vasileios Kollias | Patras | —— | 12.400 | —— | 12.800 | —— | 9.800 | 35.000 |
| 13 | Michali Doulkeridis | Pyramida | —— | —— | —— | 13.700 | 11.700 | 4.000 | 29.400 |
| 14 | Christoforos Konstantinidis | Diagoras Ampelokipon | 14.000 | —— | 13.900 | —— | —— | —— | 27.900 |
| 15 | Angelos Kontesidis | Olympiada Stavroupolis | —— | 13.200 | —— | 12.200 | —— | —— | 25.400 |
| 16 | Roman Karakalidis | Orfeas Kalamarias | —— | 9.800 | 6.150 | —— | —— | —— | 15.950 |
| 17 | Konstantinos Konstantinidis | Peristeriou Eirini | —— | —— | 14.400 | —— | —— | —— | 14.400 |
| 18 | Dimitrios Kiosis | Olympiada Stavroupolis | —— | —— | 13.100 | —— | —— | —— | 13.100 |
| 19 | Rafail Keloglou | Olympiada Stavroupolis | 12.600 | —— | —— | —— | —— | —— | 12.600 |
| 20 | Spyridon Korogiannakis | Peristeriou | —— | 12.150 | —— | —— | —— | —— | 12.150 |
| 21 | Anestis Anastasiadis | Orfeas Kalamarias | —— | —— | —— | 10.700 | —— | —— | 10.700 |
| 22 | Dimitrios-Marios Koulis | Patras | —— | —— | —— | —— | 8.000 | —— | 8.000 |
Senior Floor Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Antonios Tantalidis | Argyroupolis | 6.1 | 8.000 | -0.1 | 14.000 |
| 2 | Panagiotis Tounkas | Peristeriou Eirini | 4.9 | 8.300 | 13.200 | |
| 3 | Nikolaos Iliopoulos | Patras | 5.2 | 8.150 | -0.3 | 13.050 |
| 4 | Rafail Keloglou | Olympiada Stavroupolis | 5.3 | 7.600 | -0.5 | 12.400 |
| 5 | Georgios Chatziefstathiou | Olympiaki Floga | 4.9 | 7.450 | 12.350 | |
| 6 | Apostolos Kanellos | Pyramida | 4.0 | 8.050 | -0.1 | 11.950 |
| 7 | Georgios Garivaldis | Peristeriou Eirini | 4.5 | 7.250 | 11.750 | |
| 8 | Christoforos Konstantinidis | Diagoras Ampelokipon | 5.6 | 6.000 | 11.600 |
Senior Pommels Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Georgios Chatziefstathiou | Olympiaki Floga | 5.3 | 7.100 | 12.400 | |
| 2 | Vasileios Kollias | Patras | 5.9 | 6.500 | 12.400 | |
| 3 | Charalampos Kailidis | Terpsithea Stavropoulis | 5.4 | 6.450 | 11.850 | |
| 4 | Ioannis Tounkas | Peristeriou Eirini | 4.4 | 7.400 | 11.800 | |
| 5 | Panagiotis Tounkas | Peristeriou Eirini | 4.4 | 7.250 | 11.650 | |
| 6 | Spyridon Korogiannakis | Peristeriou | 4.7 | 6.800 | 11.500 | |
| 7 | Angelos Kontesidis | Olympiada Stavroupolis | 4.9 | 6.100 | 11.000 | |
| 8 | Stefanos Tsolakidis | Diagoras Ampelokipon | 3.8 | 6.000 | 9.800 |
Senior Rings Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Konstantinos Konstantinidis | Peristeriou Eirini | 6.1 | 8.100 | 14.200 | |
| 2 | Christoforos Konstantinidis | Diagoras Ampelokipon | 5.5 | 8.100 | 13.600 | |
| 3 | Nikolaos Iliopoulos | Patras | 4.7 | 8.450 | 13.150 | |
| 4 | Georgios Chatziefstathiou | Olympiaki Floga | 4.3 | 8.600 | 12.900 | |
| 5 | Charalampos Kailidis | Terpsithea Stavropoulis | 4.3 | 8.600 | 12.900 | |
| 6 | Panagiotis Tounkas | Peristeriou Eirini | 4.1 | 8.450 | 12.550 | |
| 7 | Dimitrios Kiosis | Olympiada Stavroupolis | 5.2 | 7.000 | 12.200 |
Senior Vault Final Results
| Rank | Athlete | Club | D | E | ND | Total | Average |
| 1 | Panagiotis Tounkas | Peristeriou Eirini | 4.0 | 8.850 | 12.850 | 12.500 | |
| 3.6 | 8.550 | 12.150 | |||||
| 2 | Georgios Garivaldis | Peristeriou Eirini | 4.4 | 9.100 | 13.500 | 12.250 | |
| 3.6 | 7.400 | 11.000 | |||||
| 3 | Angelos Kontesidis | Olympiada Stavroupolis | 3.2 | 9.150 | 12.350 | 11.575 | |
| 1.6 | 9.200 | 10.800 | |||||
| 4 | Vasileios Kollias | Patras | 4.0 | 8.850 | 12.850 | 11.050 | |
| 3.2 | 9.050 | -3.0 | 9.250 | ||||
| 5 | Anestis Anastasiadis | Orfeas Kalamarias | 2.2 | 8.600 | 10.800 | 10.725 | |
| 1.6 | 9.050 | 10.650 | |||||
| 6 | Ioannis Tounkas | Peristeriou Eirini | 4.8 | 8.250 | 13.050 | 6.525 | |
| 0.0 | 0.000 | 0.000 |
Senior P-Bars Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Nikolaos Iliopoulos | Patras | 5.4 | 8.400 | 13.800 | |
| 2 | Georgios Chatziefstathiou | Olympiaki Floga | 5.2 | 8.200 | 13.400 | |
| 3 | Stefanos Tsolakidis | Diagoras Ampelokipon | 4.5 | 8.450 | 12.950 | |
| 4 | Antonios Tantalidis | Argyroupolis | 4.1 | 8.750 | 12.850 | |
| 5 | Panagiotis Tounkas | Peristeriou Eirini | 4.4 | 8.100 | 12.500 | |
| 6 | Georgios Garivaldi | Peristeriou Eirini | 3.7 | 8.000 | 11.700 | |
| 7 | Apostolos Kanellos | Pyramida | 3.8 | 6.550 | 10.350 |
Senior High Bar Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Nikolaos Iliopoulos | Patras | 5.6 | 7.650 | 13.250 | |
| 2 | Georgios Chatziefstathiou | Olympiaki Floga | 4.3 | 8.300 | 12.600 | |
| 3 | Apostolos Kanellos | Pyramida | 4.0 | 8.200 | 12.200 | |
| Panagiotis Tounkas | Peristeriou Eirini | 4.0 | 8.200 | 12.200 | ||
| 5 | Antonios Tantalidis | Argyroupolis | 4.2 | 8.000 | 12.200 | |
| 6 | Charalampos Kailidis | Terpsithea Stavropoulis | 4.7 | 7.400 | 12.100 | |
| 7 | Georgios Garivaldis | Peristeriou Eirini | 3.2 | 6.850 | 10.050 |
Junior All-Around Results
| Rank | Athlete | Club | FX | PH | SR | VT | PB | HB | AA |
| 1 | Georgios Kelesidis | Diagoras Ampelokipon | 12.000 | 12.400 | 12.600 | 12.850 | 11.000 | 12.300 | 73.150 |
| 2 | Christos Tsingelidis | Pyramida | 12.100 | 10.500 | 12.400 | 12.100 | 11.100 | 10.800 | 69.000 |
| 3 | Grigorios Kosmidis | Diagoras Ampelokipon | 11.800 | 10.400 | 11.400 | 12.000 | 12.050 | 11.000 | 68.650 |
| 4 | Dimitrios Papoutsis | Diagoras Ampelokipon | 12.500 | 10.100 | 10.450 | 12.900 | 11.850 | 10.700 | 68.500 |
| 5 | Alkinoos-Nikolaos Graikos | Peristeriou Eirini | 11.700 | 9.600 | 11.000 | 13.300 | 11.700 | 11.100 | 68.400 |
| 6 | Stefanos Sarimpekidis | Diagoras Ampelokipon | 12.300 | 11.250 | 11.200 | 10.550 | 10.900 | 11.500 | 67.700 |
| 7 | Themistoklis Bacharidis | Orfeas Kalamarias | 11.800 | 9.400 | 10.400 | 10.900 | 10.450 | 11.000 | 63.950 |
| 8 | Konstantinos Kalaitzis | Orfeas Kalamarias | 11.200 | 8.300 | 10.300 | 10.900 | 10.700 | 10.900 | 62.300 |
| 9 | Loukas-Vasileio Moumouris | Peristeriou Eirini | 11.500 | 9.450 | 10.650 | 9.950 | 9.900 | 10.250 | 61.700 |
| 10 | Konstantinos Galatsis | Orfeas Kalamarias | 12.000 | —— | 10.700 | 11.800 | 10.700 | 1.600 | 46.800 |
| 11 | Paraskevas Episkeptidis | Orfeas Kalamarias | 11.850 | 3.000 | 10.550 | 10.300 | 7.800 | —— | 43.500 |
| 12 | Georgios Petropoulos | Orfeas Kalamarias | 9.900 | —— | 9.400 | 10.600 | 8.550 | —— | 38.450 |
| 13 | Spyridon Konstantinidis | Orfeas Kalamarias | 11.200 | 9.550 | —— | 12.000 | —— | 1.600 | 34.350 |
| 14 | Adamantios Pantazis | Volou | —— | —— | 5.600 | —— | 9.500 | 9.900 | 25.000 |
| 15 | Anastasios Tsiamalos | Larisas | —— | 8.050 | —— | —— | —— | —— | 8.050 |
Junior Floor Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Christos Tsingelidis | Pyramida | 3.9 | 8.700 | 12.600 | |
| 2 | Dimitrios Papoutsis | Diagoras Ampelokipon | 4.0 | 8.500 | 12.500 | |
| Georgios Kelesidis | Diagoras Ampelokipon | 4.0 | 8.600 | -0.1 | 12.500 | |
| Grigorios Kosmidis | Diagoras Ampelokipon | 4.0 | 8.500 | 12.500 | ||
| 5 | Paraskevas Episkeptidis | Orfeas Kalamarias | 3.5 | 8.400 | 11.900 | |
| 6 | Stefanos Sarimpekidis | Diagoras Ampelokipon | 3.8 | 8.250 | -0.3 | 11.750 |
| 7 | Konstantinos Galatsis | Orfeas Kalamarias | 3.9 | 8.050 | -0.5 | 11.450 |
| 8 | Spyridon Konstantinidis | Orfeas Kalamarias | 4.1 | 7.600 | -0.3 | 11.400 |
Junior Pommels Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Georgios Kelesidis | Diagoras Ampelokipon | 4.2 | 7.750 | 11.950 | |
| 2 | Stefanos Sarimpekidis | Diagoras Ampelokipon | 3.7 | 7.700 | 11.400 | |
| 3 | Alkinoos-Nikolaos Graikos | Peristeriou Eirini | 3.5 | 7.450 | 10.950 | |
| 4 | Dimitrios Papoutsis | Diagoras Ampelokipon | 3.0 | 7.850 | 10.850 | |
| 5 | Loukas-Vasileio Moumouris | Peristeriou Eirini | 3.3 | 6.800 | 10.100 | |
| 6 | Spyridon Konstantinidis | Orfeas Kalamarias | 2.5 | 7.200 | 9.700 | |
| 7 | Anastasios Tsiamalos | Larisas | 2.2 | 6.400 | 8.600 | |
| 8 | Themistoklis Bacharidis | Orfeas Kalamarias | 1.8 | 6.100 | 7.900 |
Junior Rings Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Georgios Kelesidis | Diagoras Ampelokipon | 4.2 | 8.050 | 12.250 | |
| 2 | Christos Tsingelidis | Pyramida | 4.1 | 7.550 | 11.650 | |
| 3 | Grigorios Kosmidis | Diagoras Ampelokipon | 3.3 | 8.000 | 11.300 | |
| 4 | Loukas-Vasileio Moumouris | Peristeriou Eirini | 3.0 | 7.550 | 10.550 | |
| 5 | Paraskevas Episkeptidis | Orfeas Kalamarias | 2.4 | 7.950 | 10.350 | |
| 6 | Konstantinos Galatsis | Orfeas Kalamarias | 2.8 | 7.550 | 10.350 | |
| 7 | Stefanos Sarimpekidis | Diagoras Ampelokipon | 3.6 | 6.350 | 9.950 | |
| 8 | Alkinoos-Nikolaos Graikos | Peristeriou Eirini | 3.8 | 6.150 | 9.950 |
Junior Vault Final Results
| Rank | Athlete | Club | D | E | ND | Total | Average |
| 1 | Alkinoos-Nikolaos Graikos | Peristeriou Eirini | 3.2 | 8.700 | 11.900 | 11.850 | |
| 3.2 | 8.600 | 11.800 | |||||
| 2 | Georgios Kelesidis | Diagoras Ampelokipon | 4.0 | 8.800 | -0.1 | 12.700 | 11.725 |
| 1.6 | 9.150 | 10.750 | |||||
| 3 | Dimitrios Papoutsis | Diagoras Ampelokipon | 4.0 | 8.950 | 12.950 | 11.675 | |
| 2.8 | 7.700 | -0.1 | 10.400 | ||||
| 4 | Konstantinos Galatsis | Orfeas Kalamarias | 3.2 | 8.850 | 12.050 | 11.450 | |
| 1.8 | 9.050 | 10.850 | |||||
| 5 | Spyridon Konstantinidis | Orfeas Kalamarias | 3.2 | 8.900 | 12.100 | 11.325 | |
| 2.0 | 8.650 | -0.1 | 10.550 | ||||
| 6 | Grigorios Kosmidis | Diagoras Ampelokipon | 3.2 | 8.100 | -0.1 | 11.200 | 11.275 |
| 2.4 | 8.950 | 11.350 | |||||
| 7 | Loukas-Vasileio Moumouris | Peristeriou Eirini | 2.4 | 8.150 | 10.550 | 10.575 | |
| 2.4 | 8.200 | 10.600 | |||||
| 8 | Konstantinos Kalaitzis | Orfeas Kalamarias | 2.4 | 7.500 | -0.1 | 9.800 | 10.150 |
| 1.6 | 8.900 | 10.500 |
Junior P-Bars Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Grigorios Kosmidis | Diagoras Ampelokipon | 3.3 | 9.300 | 12.600 | |
| 2 | Georgios Kelesidis | Diagoras Ampelokipon | 4.1 | 8.200 | 12.300 | |
| 3 | Dimitrios Papoutsis | Diagoras Ampelokipon | 3.8 | 8.000 | 11.800 | |
| 4 | Themistoklis Bacharidis | Orfeas Kalamarias | 3.3 | 8.450 | 11.750 | |
| 5 | Christos Tsingelidis | Pyramida | 3.3 | 8.300 | 11.600 | |
| 6 | Alkinoos-Nikolaos Graikos | Peristeriou Eirini | 3.4 | 8.000 | 11.400 | |
| 7 | Konstantinos Kalaitzis | Orfeas Kalamarias | 2.5 | 8.850 | 11.350 | |
| 8 | Stefanos Sarimpekidis | Diagoras Ampelokipon | 2.9 | 8.100 | 11.000 |
Junior High Bar Final Results
| Rank | Athlete | Club | D | E | ND | Total |
| 1 | Georgios Kelesidis | Diagoras Ampelokipon | 4.0 | 7.950 | 11.950 | |
| 2 | Stefanos Sarimpekidis | Diagoras Ampelokipon | 2.6 | 8.800 | 11.400 | |
| 3 | Alkinoos-Nikolaos Graikos | Peristeriou Eirini | 3.4 | 7.100 | 10.500 | |
| 4 | Grigorios Kosmidis | Diagoras Ampelokipon | 3.0 | 7.150 | 10.150 | |
| 5 | Themistoklis Bacharidis | Orfeas Kalamarias | 2.4 | 7.650 | 10.050 | |
| 6 | Konstantinos Kalaitzis | Orfeas Kalamarias | 2.0 | 7.900 | 9.900 | |
| 7 | Dimitrios Papoutsis | Diagoras Ampelokipon | 3.4 | 6.500 | 9.900 | |
| 8 | Christos Tsingelidis | Pyramida | 2.5 | 7.200 | 9.700 |