| Name: | Calvin Kattar |
| Alias: | The Boston Finisher |
| Nation: | United States |
| Team: | Carlos Neto BJJ / Team Sityodtong |
| Weight Class: | Featherweight |
| Born: | March 26, 1988 |
| Height: | 71.00 in / 180.34 cm |
| Weight: | 145.1 lbs / 65.80 kg |
| Reach: | 72.00 in / 182.88 cm |
| Leg Reach: | 40.00 in / 101.6 cm |
| Pro MMA debut: | June 23, 2007 |
| MMA Record: | Sherdog |