| Jason Cask | |
| Height: | 5 ft 10 in (178 cm) |
| Residence: | Glasgow, Scotland |
| Birth Date: | 7 February 1971 |
| Birth Place: | Sydney, Australia |
| Turnedpro: | 1989 |
| Plays: | Right-handed |
| Careerprizemoney: | $12,704 |
| Singlesrecord: | 1–2 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 314 (30 Sep 1991) |
| Australianopenresult: | 1R (1992) |
Jason Cask (born 7 February 1971) is a former professional tennis player from Australia.[1] He was born in Sydney, Australia.
Cask, who was coached by Terry Rocavert, made the quarter-finals of the boys' singles at the 1988 Australian Open and was a boys' doubles semi-finalist at the 1989 Australian Open (with William O'Neil).[2]
He first attempted qualification for the men's draw in 1988 and continued to participate in the qualifiers every year without success, until he received a wild card into the 1992 Australian Open.[3] In the first round he faced American 15th seed David Wheaton and lost in straight sets.[3]
During the 1991 ATP Tour season, Cask took part in the Queensland Open and made it to the second round, beating Neil Borwick.[3]