| 1991 Muratti Time Indoor | |
|---|---|
| Date | 4–10 February |
| Edition | 14th |
| Category | ATP World Series (Free Week) |
| Draw | 32S / 16D |
| Prize money | $540,000 |
| Surface | Carpet / indoor |
| Location | Milan, Italy |
| Venue | Assago Forum |
| Champions | |
| Singles | |
 Alexander Volkov[1] | |
| Doubles | |
 Omar Camporese /  Goran Ivanišević[2] | |
The 1991 Muratti Time Indoor was a men's tennis tournament played on indoor carpet courts at the recently opened Assago Forum in Milan, Italy.[3][4] It was the 14th edition of the tournament, and was part of the ATP World Series of the 1991 ATP Tour. It took place from 4 February until 10 February 1991 and eighth-seeded Alexander Volkov won the singles title.[5][6]
- ^ "1991 Milan – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1991 Milan – Doubles draw". Association of Tennis Professionals (ATP).
- ^ Remo Borgatti (18 February 2016). "Tornei scomparsi. Stelle senza polvere all'indoor di Milano". Ubitennis (in Italian).
- ^ Evans, Richard, ed. (1992). The ATP Tour : Year Two - 1991. London: Bloomsbury Publishing. pp. 26–27, 227. ISBN 0747511284.
- ^ John Barrett, ed. (1992). The International Tennis Federation World of Tennis 1992. London: CollinsWillow. pp. 118, 134. ISBN 9780002184304.
- ^ "Results plus". The New York Times. 10 February 1991.