| Nattaruja Muthtanawech[1] | |
| Birth Date: | 21 August 1996[2] |
| Birth Place: | Thailand, |
| Height: | 1.70 m |
| Position: | Goalkeeper |
| Currentclub: | Taichung Blue Whale |
| Clubnumber: | 25 |
| Years1: | -2022 |
| Clubs1: | BG Bundit Asia |
| Nationalyears1: | 2018–2019 |
| Nationalteam1: | Thailand |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 0 |
| Ntupdate: | 6 March 2019 |
Nattaruja Muthtanawech (th|ณัฐรุจา มุทนาเวช; born 21 August 1996) is a Thai footballer who plays as a goalkeeper for Taiwan Mulan Football League club Taichung Blue Whale. She has been a member of the Thailand women's national team.