| Eduardo Nicolás | |
| Country: |  Spain |
| Birth Date: | 1972 9, df=yes |
| Birth Place: | Barcelona, Spain |
| Turnedpro: | 1992 |
| Plays: | Right-handed |
| Careerprizemoney: | $117,508 |
| Singlesrecord: | 3–4 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 146 (20 March 2000) |
| Doublesrecord: | 7–17 |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 97 (17 January 2000) |
| Frenchopendoublesresult: | 1R (1999, 2000) |
| Wimbledondoublesresult: | 1R (1999, 2000) |
| Usopendoublesresult: | 1R (1999) |
Eduardo Nicolás Espin (born 22 September 1972) is a former professional tennis player from Spain.
Nicolas played most of his doubles career beside Germán Puentes, his partner in all five of his Grand Slam appearances. They failed to win a single Grand Slam match but did reach the semi-finals of the Swedish Open in 1999 and win six Challenger titles.[1]
As a singles player he was a quarter-finalist in the 1999 Prague Open, defeating world number 65 Ján Krošlák and German Markus Hantschk. He was eliminated in the quarter-finals by his doubles partner, Puentes.[2]
| width=10 | No. | width=50 | Year | width=200 | Tournament | width=50 | Surface | width=200 | Partner | width=200 | Opponents | width=180 | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 1998 | Montauban, France | Clay | Germán Puentes | Edwin Kempes Rogier Wassen | 7–6, 7–6 | |||||||
| 2. | 1998 | Budva, Yugoslavia | Clay | Germán Puentes | Emanuel Couto João Cunha Silva | 3–6, 6–1, 6–3 | |||||||
| 3. | 1998 | Skopje, Macedonia | Clay | Germán Puentes |  Andrei Merinov Andrei Stoliarov | 7–5, 3–6, 7–6 | |||||||
| 4. | 1999 | Barcelona, Spain | Clay | Germán Puentes | Alberto Martín Javier Sánchez | 7–6(7–1), 7–6(7–5) | |||||||
| 5. | 2000 | Fürth, Germany | Clay | Germán Puentes |  Devin Bowen Brandon Coupe | 6–4, 6–2 | |||||||
| 6. | 2000 | Sevilla, Spain | Clay | Germán Puentes | Tommy Robredo Santiago Ventura | 6–3, 6–2 |