| Diana Msewa | |
| Caps1: | 60 |
| Goals2: | 25 |
| Caps2: | 43 |
| Years2: | 2021-2023 |
| Club-Update: | 15 May 2023 |
| Nationalgoals1: | 25 |
| Nationalcaps1: | 30 |
| Nationalteam1: | Tanzania |
| Nationalyears1: | 2018 |
| Goals1: | 48 |
| Clubs1: | Ruvuma Queens |
| Years1: | 2016 |
| Youthclubs1: | Ruvuma Queens |
| Youthyears1: | 2010 |
| Clubnumber: | 08 |
| Currentclub: | Ausfaz Assa Zag |
| Position: | Midfielder |
| Birth Place: | Mbeya, Tanzania |
| Birth Date: | 5 November 2002 |
| Fullname: | Diana Lucas Msewa |
| Clubs2: | Ausfaz Assa Zag |
Diana Lucas Msewa (born 5 November 2002) is a Tanzanian professional footballer who plays as a forward for Ausfaz Assa Zag and the Tanzania women's national team.
In 2019, Msewa earned a call up to the Tanzania women's under-20 team for the inaugural 2019 COSAFA U-20 Women's Championship.[1] At the end of the competition they emerged champions after defeating Zambia by 2–1 in the final.[2] During the 2020 African U-20 Women's World Cup Qualifying Tournament, Msewa scored both first goals in the first and second legs of the preliminary round qualifiers against Uganda leading to the 4–2 victory on aggregate to advance to the first round.[3] [4] [5]
In 2019, she was promoted to the senior team and made the squad for the 2019 CECAFA Women's Championship. She later named in the 2021 COSAFA Women's Championship squad list.[6] She played four matches during the competition as Tanzania emerged champions for the first time in history.[7]