The 1993 Campionati Internazionali di San Marino was a men's tennis tournament played on outdoor clay courts at the Centro Tennis Cassa di Risparmio di Fonte dell'Ovo in the City of San Marino in San Marino and was part of the World Series of the 1993 ATP Tour. It was the fifth edition of the tournament and was held from 9 August until 15 August 1993. First-seeded Thomas Muster won the singles title.[1]
Thomas Muster defeated 
Renzo Furlan 7–5, 7–5
Daniel Orsanic / 
Olli Rahnasto defeated Juan Garat / Roberto Saad 6–4, 1–6, 6–3