Teresa Vaill (born November 20, 1962 in Torrington, Connecticut) is a retired female racewalker from the United States. She set her personal best in the women's 20 km race walk event (1:33:23) on April 1, 2001 at a meet in Manassas, Virginia.
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
| Representing the United States | |||||
| 1987 | World Race Walking Cup | New York City, United States | 20th | 10 km | 46:50 |
| 1993 | World Championships | Stuttgart, Germany | 22nd | 10 km | 46:58 |
| 1995 | World Championships | Göteborg, Sweden | 22nd | 10 km | 45:02 |
| 2004 | Olympic Games | Athens, Greece | 43rd | 20 km | 1:38:47 |
| 2005 | World Championships | Helsinki, Finland | — | 20 km | DNF |
| 2007 | World Championships | Osaka, Japan | — | 20 km | DSQ |
| 2009 | World Championships | Berlin, Germany | — | 20 km | DNF |