Bill Mosiello
| Current position | |
|---|---|
| Title | Assistant/hitting coach |
| Team | TCU |
| Conference | Big 12 Conference |
| Record | 0–0 (–) |
| Biographical details | |
| Born | July 14, 1964 Sacramento, California, U.S. |
| Alma mater | Fresno State University |
| Playing career | |
| 1983, 1986 | Fresno State |
| 1984–1985 | Cerritos College |
| Position(s) | Catcher |
| Coaching career (HC unless noted) | |
| 1987–1990 | Cerritos College (H) |
| 1991–1992 | Cal State Fullerton (H) |
| 1993–1994 | Tennessee (H) |
| 1995 | Ole Miss (P) |
| 1996–2001 | Oklahoma (H/IF/AHC) |
| 2001 | Arizona State (H) |
| 2002–2003 | Trenton Thunder (H) |
| 2004 | Battle Creek Yankees (H/Interim) |
| 2005–2006 | Charleston RiverDogs |
| 2007 | USC (H) |
| 2008 | Auburn (H) |
| 2009–2010 | Cedar Rapids Kernels |
| 2011 | Arkansas Travelers |
| 2012–2013 | Tennessee (H) |
| 2014–2022 | TCU (H/AHC) |
| 2023–2024 | Ohio State |
| 2025–present | TCU (H/AHC) |
| Head coaching record | |
| Overall | 60–51 (.541) |
William Mosiello (born July 14, 1964) is an American baseball coach and former catcher, who is a current assistant baseball coach for the TCU Horned Frogs and former head coach for the Ohio State Buckeyes. He played college baseball at Cerritos College from 1984 to 1985 before transferring to Fresno State where he played in 1986.