| Tatsuya Sase | |
| Birth Date: | 25 November 1991 |
| Birth Place: | Chiba, Japan |
| Position: | Defender |
| Years1: | 2013 |
| Clubs1: | Albirex Niigata Singapore FC |
| Caps1: | 10 |
| Goals1: | 0 |
| Years2: | 2014 |
| Clubs2: | Albirex Niigata Phnom Penh FC |
| Years3: | 2015 |
| Clubs3: | Sturt Lions FC[1] |
| Caps3: | 17 |
| Goals3: | 4 |
| Years4: | 2016 |
| Clubs4: | Cumberland United FC |
| Caps4: | 2 |
| Goals4: | 0 |
| Years5: | 2016 |
| Clubs5: | The Cove FC |
| Caps5: | 15 |
| Goals5: | 0 |
| Years6: | 2017 |
| Clubs6: | NK Bled |
| Years7: | 2017 |
| Clubs7: | Goyo FC |
is a Japanese footballer. He played for Goyo of the Mongolian Premier League in 2017.
He was released by Albirex Niigata Singapore at the end of 2013.[2]
He served as player and coach of Albirex Niigata Phnom Penh in 2014.
He practiced with NK Bled of the Slovenian Third League and was a part of their defensive line at the beginning of 2017.[3]
He was picked by Goyo of the Mongolian Premier League in spring 2017,[4] Sase split from them ahead of the 2018 season.[5]