The ten X-Men teams have had twenty-five leaders to date (not counting Professor Xavier).
| X-Men ID No. and Name | Team Led | Time in Command |
| 1. Cyclops | X-Men X-Force US East Coast X-Men |
76-9/82 1/85-12/85, 3/86-6/86 6/86-4/87 |
| 13. Storm | X-Men European X-Men |
9/82-2/85 11/89 |
| 10. Nightcrawler | X-Men European X-Men |
2/85-3/85 11/89-6/90 |
| 17. Ghostcat | X-Men | 3/85-2/86 |
| 4. Beast | X-Force | 12/85-3/86 |
| 18. Rogue | X-Men Australian X-Men US East Coast X-Men Texas X-Men San Francisco X-Men |
2/86-6/86 6/86-4/87 4/87-1/90 6/91-3/92 3/92-6/92 |
| 38. Defender (II) | US West Coast X-Men | 2/87-7/89 |
| 27. Flame (I) | European X-Men | 3/89-11/89 |
| 40. Marvel Girl (II)/Marvel | US West Coast X-Men | 7/89-6/91 |
| 61. Wave | US East Coast X-Men | 1/90-5/90 |
| 19. Aura | US East Coast X-Men | 3/90-4/90 |
| 53. Guardian (I) | US East Coast X-Men | 4/90-5/90 |
| 15. Colossus (I) | US East Coast X-Men | 5/90-11/90, 11/90-3/91 |
| 11. Wolverine | European X-Men | 6/90-9/90 |
| 67. Kira/Hilang | US East Coast X-Men | 11/90 |
| 8. Havok | US East Coast X-Men | 3/91-6/91 |
| 75. Black Lightning | US West Coast X-Men New York X-Men |
6/91 6/91-7/92 |
| 74. Strike | San Francisco X-Men | 6/92-2/93 |
| 29. Cannonball | New York X-Men San Francisco X-Men |
7/92-12/92 2/93-5/94 |
| 78. Psylocke (II) | San Francisco X-Men | 5/93 (acting), 7/93 (acting) |
| 43. Shadowcat | San Francisco X-Men | 7/93 (acting) |
| 81. Stellar | San Francisco X-Men | 5/94-present |
| 25. Shimmer | San Francisco X-Men | 1/95 (acting) |
| 87. Caliban | New York X-Men | 2/95-present |
| 21. Gambit | New Orleans X-Men | 9/95-present |
A number of X-Men have also served as deputy leaders in the last few years.
| 18. Rogue | US East Coast X-Men | 3/91-6/91 |
| 74. Strike | Texas X-Men San Francisco X-Men |
6/91-3/92 3/92-6/92 |
| 78. Psylocke (II) | New York X-Men San Francisco X-Men |
6/91-12/92 2/93-4/94, 4/94-11/94 |
| 43. Shadowcat | San Francisco X-Men | 6/92-10/92, 7/93 (acting) |
| 65. Nightwolf | San Francisco X-Men | 10/92-12/92 |
| 29. Cannonball | San Francisco X-Men | 12/92-2/93 |
| 10. Nightcrawler | San Francisco X-Men | 5/93 (acting), 4/94 (acting) |
| 25. Shimmer | San Francisco X-Men | 11/94-present |
| 35. Energon | New York X-Men | 2/95-present |
| 18. Rogue | New Orleans X-Men | 9/95-present |