| Ryuso Tsujino | |
| Country: |  Japan |
| Birth Date: | 1969 2, df=y |
| Birth Place: | Osaka, Japan |
| Height: | 5 ft 9 in |
| Plays: | Right-handed (one-handed backhand) |
| Careerprizemoney: | $76,990 |
| Singlesrecord: | 2–11 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 354 (18 October 1993) |
| Australianopenresult: | 1R (1994) |
| Doublesrecord: | 4–9 |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 380 (27 July 1998) |
| Medaltemplates-Expand: | yes |
is a former professional tennis player from Japan.[1]
Tsujino twice made the second round of the Tokyo Indoor tournament, in 1990 when he defeated Joey Rive and 1993 when he had a win over Patrik Kühnen.[2]
In the 1994 Australian Open, his only Grand Slam appearance, Tsujino lost in the opening round to Brent Larkham.[2] Also that year he was a mixed doubles silver medalist at the Asian Games in Hiroshima, partnering Nana Miyagi.
In 1996 Tsujino and his partner Tommy Shinada won the professional USTA Capital Eye Center Masters Classic men's doubles title at Forest Meadows.[3]
Tsujino played in five Davis Cup ties for Japan between 1992 and 1995. His two wins were both in doubles, with Thomas Shimada, against the Chinese and Filipino pairings.[4]
Tsujino is married to Japanese actress and singer Yōko Oginome.[5]