This is a list of appearances of Marty Deeks in NCIS: Los Angeles.
- Season 1
- Episode 19: Hand-to-Hand
- Episode 20: Fame
- Season 2: All episodes
- Season 3: All episodes
- Season 4: All episodes
- Season 5: All episodes
- Season 6: All episodes
- Season 7: All episodes
- Season 8: All episodes
- Season 9: All episodes
- Season 10: All episodes
- Season 11: All episodes