| Johan Vekemans | |
| Birth Date: | 6 December 1964 |
| Birth Place: | Goirle, Netherlands |
| Height: | 6 ft 1 in |
| Plays: | Right-handed |
| Careerprizemoney: | $35,500 |
| Singlesrecord: | 0–2 |
| Highestsinglesranking: | No. 239 (6 November 1989) |
| Frenchopenresult: | 1R (1987) |
| Doublesrecord: | 11–10 |
| Highestdoublesranking: | No. 75 (4 August 1986) |
| Frenchopendoublesresult: | 2R (1986) |
Johan Vekemans (born 6 December 1964) is a former professional tennis player from the Netherlands.
Vekemans enjoyed most of his tennis success while playing doubles. During his career he finished runner-up in 2 doubles events. He achieved a career-high doubles ranking of world No. 75 in 1986.
| Result | W-L | Date | Tournament | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Aug 1986 | Hilversum, Netherlands | Clay | Tom Nijssen | Miloslav Mečíř  Tomáš Šmíd | 4–6, 2–6 | |
| Loss | 0–2 | Aug 1987 | Hilversum, Netherlands | Clay | Tom Nijssen |  Wojtek Fibak Miloslav Mečíř | 6–7, 7–5, 2–6 |