| Tessa Wallace | |
| Fullname: | Tessa Clare Wallace |
| Nicknames: | "Tess" |
| National Team: | Australia |
| Strokes: | Breaststroke |
| Club: | Pelican Waters Caloundra |
| Coach: | John Wallace |
| Birth Date: | 9 September 1993 |
| Birth Place: | Buderim, Queensland |
| Height: | 1.72m (05.64feet) |
| Weight: | 59kg (130lb) |
Tessa Clare Wallace (born 9 September 1993) represented Australia at the 2010 Commonwealth Games in Delhi, India, her debut into major international meets. Wallace's only Commonwealth Games race, the 200-metre breaststroke, was held on Wednesday 6 October. After a solid heat she qualified 6th for the final, where she came second to ex-world record-holder and fellow Australian, Leisel Jones. Not far behind Tessa, Sarah Katsoulis finished 3rd, completing an Australia sweep of gold, silver and bronze medals.
On 20 March 2012, Wallace qualified for her first Olympic Games. At the 2012 Summer Olympics in London, she advanced to the semifinals of the women's 200-metre breaststroke, and finished with the 15th-best time overall.