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The 1979 Alitalia Florence Open was a men's tennis tournament played on outdoor clay courts in Florence, Italy that was part of the 1979 Colgate-Palmolive Grand Prix circuit. It was the seventh edition of the tournament and was played from 14 May until 20 May 1979. Second-seeded Raúl Ramírez won the singles title.
Raúl Ramírez
Corrado Barazzutti / 
Karl Meiler 6–4, 1–6, 3–6, 7–5, 6–0
Ivan Lendl /