1993 RCA Championships – Singles

The 1993 RCA Championships – Singles was an event of the 1993 RCA Championships men's tennis tournament which was held from August 16 through August 22, 1993, at the Indianapolis Tennis Center in Indianapolis, Indiana, in the United States. The tournament was part of Championship Series of the 1993 ATP Tour. The singles draw consisted of 56 players and 16 of them were seeded.

First-seeded Pete Sampras was the defending champion but lost in the quarterfinals to Pat Rafter. First-seeded Jim Courier won the singles title after a 7–5, 6–3 victory in the final against third-seeded Boris Becker.

Seeds
• 🇺🇸 Pete Sampras (quarterfinals)

• 🇺🇸 Jim Courier (champion)

• 🇩🇪 Boris Becker (final)

• Goran Ivanišević (third round)

• 🇺🇸 Todd Martin (second round)

• 🇷🇺 Alexander Volkov (third round)

• 🇫🇷 Cédric Pioline (quarterfinals)

• Wayne Ferreira (third round)

• 🇦🇺 Wally Masur (second round)

• 🇷🇺 Andrei Chesnokov (second round)

• 🇺🇸 Richey Reneberg (quarterfinals)

• 🇺🇸 David Wheaton (second round)

• 🇺🇸 Brad Gilbert (second round)

• 🇸🇪 Mikael Pernfors (first round)

• 🇳🇿 Brett Steven (second round)

• 🇫🇷 Fabrice Santoro (second round)