| Thomas Umaga-Jensen | |
| Fullname: | Thomas Umaga-Jensen |
| Birth Date: | 31 December 1997 |
| Birth Place: | Lower Hutt, New Zealand |
| Height: | 1870NaN0 |
| Weight: | 1070NaN0 |
| School: | Scots College |
| Relatives: | Peter Umaga-Jensen (brother) Tana Umaga (uncle) Jerry Collins (uncle) Mike Umaga (uncle) Jacob Umaga (cousin) |
| Position: | Centre |
| Currentclub: | Highlanders, Otago |
| Years1: | 2017–2019 |
| Clubs1: | Wellington |
| Apps1: | 23 |
| Points1: | 55 |
| Years2: | 2018– |
| Clubs2: | Highlanders |
| Apps2: | 27 |
| Points2: | 20 |
| Years3: | 2020– |
| Clubs3: | Otago |
| Apps3: | 6 |
| Points3: | 10 |
| Repyears1: | 2017 |
| Repteam1: | New Zealand U20 |
| Repcaps1: | 4 |
| Reppoints1: | 5 |
| Clubupdate: | 12 April 2023 |
| Repupdate: | 22 October 2022 |
Thomas Umaga-Jensen (born 31 December 1997) is a New Zealand rugby union player who plays for the in the Super Rugby competition.[1] Thomas has been on the radar since high school where he and his twin brother Peter Umaga-Jensen were stand-outs in the Scots College 1st XV for several years. Umaga-Jensen was a member of the winning New Zealand U20s team that travelled to Georgia in 2017 and convincingly beat England U20s in the final. His position of choice is Second Five-Eighth. In 2020 He moved to Otago.
Thomas's brother Peter Umaga-Jensen has also represented Wellington at rugby at senior level. They are the nephews of former All Black captain Tana Umaga and All Black star Jerry Collins