| Yuki Sakai 酒井 悠基 | |
| Fullname: | Yuki Sakai |
| Birth Date: | 28 June 1985 |
| Birth Place: | Konan, Shiga, Japan |
| Position: | Defender |
| Youthyears1: | 2001–2003 |
| Youthclubs1: | Kusatsu Higashi High School |
| Years1: | 2004–2006 |
| Clubs1: | Albirex Niigata |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2004–2005 |
| Clubs2: | →Albirex Niigata Singapore |
| Caps2: | 13 |
| Goals2: | 1 |
| Totalcaps: | 13 |
| Totalgoals: | 1 |
is a former Japanese football player.
Sakai was born in Konan on June 28, 1985. After graduating from high school, he joined J1 League club Albirex Niigata in 2004. In June, he moved to Albirex Niigata Singapore.[1] He backed to Albirex Niigata in 2006 season.[2]