The Lagos Open is a defunct WCT, Grand Prix and Challenger affiliated tennis tournament played from 1976 to 1991. It was held in Lagos in Nigeria and played on outdoor clay courts from 1976 to 1980, then on outdoor hard courts from 1981 to 1991.

Nduka Odizor and Paul Haarhuis were the most successful players at the event, each winning the singles competition twice.

Year	Champions	Runners-up	Score
1976	Dick Stockton	Arthur Ashe	6–3, 6–2
1977	Not held
1978	Kjell Johansson	Robin Drysdale	9–8, 6–3
1979	Hans Kary	Peter Feigl	6–4, 3–6, 6–2
1980	Peter Feigl	Harry Fritz	6–2, 6–3, 6–2
1981	Larry Stefanki	Peter Feigl	5–7, 6–3, 6–0
1982	Not held
1983	Craig Wittus	Michiel Schapers	6–3, 4–6, 11–9
1984	Not held
1985	Nduka Odizor	Thomas Muster	6–3, 6–2
1986	Nduka Odizor	Marcel Freeman	6–2, 6–3
1987	Jorge Lozano	Nduka Odizor	6–4, 6–4
1988	Not held
1989	Paul Haarhuis	Karel Nováček	4–6, 7–6, 6–4
1990	Not held
1991	Paul Haarhuis	T. J. Middleton	6–3, 6–3

Year	Champions	Runners-up	Score
1976	Not completed
1977	Not held
1978	George Hardie Sashi Menon	Colin Dowdeswell Jürgen Fassbender	6–3, 3–6, 7–5
1979	Joel Bailey Bruce Kleege	Ismail El Shafei Peter Feigl	6–4, 6–7, 6–3
1980	Tony Graham Bruce Nichols	Kjell Johansson Leo Palin	6–3, 0–6, 6–3
1981	Bruce Kleege Larry Stefanki	Ian Harris Craig Wittus	6–2, 3–6, 6–3
1982	Not held
1983	Wesley Cash John Mattke	Jonathan Canter Joe Meyers	6–3, 3–6, 6–3
1984	Not held
1985	Egan Adams Mark Wooldridge	Peter Elter Peter Feigl	6–4, 6–4
1986	Leo Palin Olli Rahnasto	Lloyd Bourne Brett Dickinson	4–6, 7–6, 6–4
1987	Lloyd Bourne Jeff Klaparda	Loïc Courteau Eric Winogradsky	6–7, 6–2, 7–6
1988	Not held
1989	Alfonso Mora James Schor	Jacco Eltingh Paul Haarhuis	6–7, 7–6, 7–5
1990	Not held
1991	Ugo Colombini Paul Wekesa	Daniel Marco Clement N'Goran	7–5, 6–1

• ATP Results Archive