Juan Aguilera (tennis)
Juan Aguilera Herrera is a retired Spanish professional male tennis player. He was born in Barcelona, Spain.
Aguilera has won five singles titles during his career, including one Grand Prix Championship Series title and one Tennis Masters shield, the Hamburg Masters in 1984 and 1990, defeating Boris Becker in the final of the latter in straight sets. His career-high singles ranking is World No. 7, achieved in September 1984.Career finals
Singles (5 titles, 4 runner-ups)
| Result | No. | Date | Tournament | Surface | Opponent | Score |
| Loss | 1. | Sep 1983 | Bordeaux, France | Clay |  Pablo Arraya | 5–7, 5–7 |
| Win | 1. | Apr 1984 | Aix en Provence, France | Clay |  Fernando Luna | 6–4, 7–5 |
| Win | 2. | May 1984 | Hamburg, West Germany | Clay |  Henrik Sundström | 6–4, 2–6, 2–6, 6–4, 6–4 |
| Win | 3. | Jun 1989 | Bari, Italy | Clay |  Marián Vajda | 4–6, 6–3, 6–4 |
| Loss | 2. | Aug 1989 | St. Vincent, Italy | Clay |  Franco Davín | 2–6, 2–6 |
| Win | 4. | Apr 1990 | Nice, France | Clay |  Guy Forget | 2–6, 6–3, 6–4 |
| Win | 5. | May 1990 | Hamburg, West Germany | Clay |  Boris Becker | 6–1, 6–0, 7–6 |
| Loss | 3. | Jul 1990 | San Remo, Italy | Clay | Jordi Arrese | 2–6, 2–6 |
| Loss | 4. | Sep 1990 | Palermo, Italy | Clay | Franco Davín | 1–6, 1–6 |
