| John Lober | |
| Other Names: | Machine |
| Birth Date: | 26 February 1968 |
| Birth Place: | Huntington Beach, California, U.S. |
| Weight: | 199lb |
| Weight Class: | Light Heavyweight |
| Team: | Team Machine |
| Years Active: | 1996–2009 |
| Mma Kowin: | 1 |
| Mma Subwin: | 3 |
| Mma Decwin: | 1 |
| Mma Koloss: | 3 |
| Mma Subloss: | 3 |
| Mma Decloss: | 3 |
| Mma Draw: | 4 |
| Sherdog: | 210 |
John Lober (born February 26, 1968) is an American mixed martial artist who competed in the Light Heavyweight division. Lober holds a notable victory over Frank Shamrock and also has cornered and trained with UFC Hall of Famer and former UFC Light Heavyweight Champion Tito Ortiz.
|-| Loss| align=center| 5–9–4| Lee McKibbin| Submission (guillotine choke)| Cage Wars: Nightmare| | align=center| 1| align=center| 0:43| Belfast, Northern Ireland| |-| Loss| align=center| 5–8–4| Rubin Tagle| KO| KOTC: Final Chapter| | align=center| 1| align=center| 0:10| California, United States| |-| Win| align=center| 5–7–4| Damien Gomez| TKO| KOTC: Point of No Return| | align=center| 1| align=center| 3:20| California, United States| |-| Loss| align=center| 4–7–4| Marcelo Tigre| Submission (armbar)| Extreme Wars 2 – X-1| | align=center| 1| align=center| 1:37| Hawaii, United States| |-| Draw| align=center| 4–6–4| Kazuo Takahashi| Draw| Pancrase - Breakthrough 6| | align=center| 2| align=center| 3:00| Tokyo, Japan| |-| Draw| align=center| 4–6–3| Kengo Watanabe| Draw| Pancrase – Advance 12| | align=center| 1| align=center| 15:00| Tokyo, Japan| |-| Win| align=center| 4–6–2| Izzy Johnson| Submission (choke)| WCNHBC – West Coast NHB Championships 1| | align=center| 1| align=center| 3:25| | |-| Loss| align=center| 3–6–2| Frank Shamrock| TKO (submission to punches)| UFC Brazil| | align=center| 1| align=center| 7:40| Brazil| |-| Loss| align=center| 3–5–2| Joe Pardo| Decision| NG 6 – Neutral Grounds 6| | align=center| 1| align=center| 11:00| | |-| Loss| align=center| 3–4–2| Minoru Suzuki| Decision (lost points)| Pancrase - Advance 7| | align=center| 1| align=center| 15:00| Tokyo, Japan| |-| Loss| align=center| 3–3–2| Ryushi Yanagisawa| TKO (broken ankle)| Pancrase: Alive 11| | align=center| 1| align=center| 0:55| Yokohama, Japan| |-| Draw| align=center| 3–2–2| Osami Shibuya| Draw| Pancrase: Alive 9| | align=center| 1| align=center| 15:00| Tokyo, Japan| |-| Loss| align=center| 3–2–1| Kiuma Kunioku| Decision (lost points)| Pancrase: 1997 Anniversary Show| | align=center| 1| align=center| 10:00| Tokyo, Japan| |-| Loss| align=center| 3–1–1| Kevin Jackson| Submission| EF 4 – Extreme Fighting 4| | align=center| 2| align=center| 1:12| Iowa, United States| |-| Win| align=center| 3–0–1| Frank Shamrock| Decision (split)| SB 3 – SuperBrawl 3| | align=center| 1| align=center| 30:00| Hawaii, United States| |-| Draw| align=center| 2–0–1| Igor Zinoviev| Draw| EF 3 – Extreme Fighting 3| | align=center| 3| align=center| 5:00| Oklahoma, United States| |-| Win| align=center| 2–0| Jamie Faucett| Submission (heel hook)| IFC 2 – Mayhem in Mississippi| | align=center| 1| align=center| 0:39| Mississippi, United States| |-| Win| align=center| 1–0| Eric Heberstreit| Submission (rear naked choke)| IFC 1 – Kombat in Kiev| | align=center| 1| align=center| 3:39| Ukraine|