1974 Italian Open – Men's singles

The 1974 Italian Open – Men's singles was an event of the 1974 Italian Open tennis tournament and was played on outdoor clay courts at the Foro Italico in Rome, Italy from 26 May through 3 June 1974. The draw comprised 64 players and 16 of them were seeded. Ilie Năstase was the defending champion. Third-seeded Björn Borg won the singles title, defeating first-seeded Ilie Năstase in the final, 6–3, 6–4, 6–2.

Seeds
• 🇷🇴 Ilie Năstase (final)

• Jan Kodeš (second round)

• 🇸🇪 Björn Borg (champion)

• 🇺🇸 Stan Smith (semifinals)

• 🇮🇹 Adriano Panatta (first round)

• 🇪🇸 Manuel Orantes (quarterfinals)

• 🇮🇹 Paolo Bertolucci (first round)

• Alex Metreveli (quarterfinals)

• Jiří Hřebec (third round)

• Jaime Fillol (first round)

• 🇺🇸 Tom Gorman (second round)

• 🇺🇸 Brian Gottfried (quarterfinals)

• 🇺🇸 Eddie Dibbs (third round)

• 🇺🇸 Marty Riessen (third round)

• 🇲🇽 Raúl Ramírez (second round)

• 🇺🇸 Roscoe Tanner (third round)