| Fullname: | Yumiko Okada |
| Kanji: | 岡田 結美子[1] |
| Birth Date: | 22 June 1970 |
| Birth Place: |  Unknown, Japan |
| Residence: | Tokyo, Japan |
| Teacher: | Yoshiteru Abe |
| Rank: | 6 dan |
| Affiliation: | Nihon Ki-in |
is a female professional 6 dan Go player.[1] [2]
Born Yumiko Abe (安倍 結美子), Okada is the daughter of Yoshiteru Abe, who also acted as her tutor.[1] She is married to Shinichiro Okada, a 7 dan professional.[1] In 2004, Yumiko Okada obtained the rank of 6 dan.[3]