Catherine Tanvier
| Country (sports) | France | 
|---|---|
| Born | 28 May 1965 Toulouse, France  | 
| Height | 1.74 m (5 ft 8+1⁄2 in) | 
| Retired | 2000 | 
| Plays | Right (two-handed backhand) | 
| Prize money | $706,054 | 
| Singles | |
| Career record | 205–198 | 
| Career titles | 1 | 
| Highest ranking | No. 20 (27 September 1984) | 
| Grand Slam singles results | |
| Australian Open | 4R (1989, 1990, 1991) | 
| French Open | 4R (1983, 1988) | 
| Wimbledon | 4R (1985) | 
| US Open | 2R (1981, 1983, 1984, 1986) | 
| Doubles | |
| Career record | 285–180 | 
| Career titles | 9 | 
| Highest ranking | No. 16 (21 December 1986) | 
| Grand Slam doubles results | |
| Australian Open | QF (1980, 1989) | 
| French Open | SF (1983) | 
| Wimbledon | QF (1986) | 
| US Open | 3R (1984) | 
| Grand Slam mixed doubles results | |
| Australian Open | 2R (1988) | 
| Wimbledon | 3R (1983, 1985) | 
| US Open | 2R (1984) | 
| Team competitions | |
| Fed Cup | 10–7 | 
Catherine ("Cathy") Tanvier (born 28 May 1965) is a former professional tennis player from France.
She peaked at No. 20 in 1984 and won one singles title and nine doubles titles on the WTA Tour.