| Native Name: | 沢光 幸夫 |
| Sawahikari Yukio | |
| Birth Name: | Yukio Sawamukai |
| Birth Date: | 1941 6, df=yes |
| Birth Place: | Saroma, Hokkaidō, Japan |
| Weight: | 105kg (231lb) |
| Heya: | Tokitsukaze |
| Record: | 254-211-24 |
| Debut: | September, 1956 |
| Highestrank: | Komusubi (July, 1964) |
| Retireddate: | November, 1964 |
| Yushos: | 1 (Jūryō) |
| Prizes: | Outstanding Performance (1) Fighting Spirit (1) |
| Goldstars: | 1 (Tochinoumi) |
| Update: | Sep. 2012 |
Sawahikari Yukio (born 18 June 1941 as Yukio Sawamukai) is a former sumo wrestler from Saroma, Hokkaidō, Japan. He made his professional debut in September 1956 and reached the top division in November 1963. His highest rank was komusubi. He left the sumo world upon retirement from active competition in November 1964.