The 1979 Nice International Open was a men's tennis tournament played on outdoor clay courts at the Nice Lawn Tennis Club in Nice, France, and was part of the 1979 Colgate-Palmolive Grand Prix. It was the eighth edition of the tournament and was held from 2 April until 8 April 1979. Fifth-seeded Víctor Pecci won the title.
Víctor Pecci defeated 
John Alexander 6–3, 6–2, 7–5
Peter McNamara / Paul McNamee defeated Pavel Složil / Tomáš Šmíd 6–1, 3–6, 6–2