| Country (sports) |  United States |
|---|---|
| Born | December 23, 1954 San Diego, California |
| Height | 6 ft 3 in (1.91 m) |
| Turned pro | 1973 |
| Retired | 1986 |
| Plays | Right-handed (one-handed backhand) |
| Prize money | $1,426,514 |
| Singles | |
| Career record | 333–236 |
| Career titles | 8 |
| Highest ranking | No. 7 (October 5, 1981) |
| Grand Slam singles results | |
| Australian Open | W (1980) |
| French Open | 3R (1978) |
| Wimbledon | QF (1982) |
| US Open | 4R (1978, 1980) |
| Doubles | |
| Career record | 220–172 |
| Career titles | 16 |
| Highest ranking | No. 24 (August 9, 1983) |
Brian David Teacher (born December 23, 1954) is an American former professional tennis player. He reached career-high rankings of world No. 7 in singles and world No. 5 in doubles, both in 1981. Teacher is best remembered for being a major singles champion, triumphing at the 1980 Australian Open. He won eight career singles titles and 16 doubles titles.
Following his playing career, he became a touring coach on both the ATP Tour and WTA Tour. He currently runs the Brian Teacher Tennis Academy in South Pasadena, California.