| Mariko Tanaka | |
| Birth Date: | 10 January 1993 |
| Birth Place: | Tokyo Prefecture, Japan |
| Height: | 1.71 m |
| Position: | Defender |
| Currentclub: | JEF United Chiba |
| Clubnumber: | 5 |
| Clubs1: | JEF United Chiba |
Mariko Tanaka (born 10 January 1993) is a Japanese professional footballer who plays as a defender for WE League club JEF United Chiba Ladies.[1]
Tanaka made her WE League debut on 20 September 2021.[2]