| 1990–91 Duleep Trophy | |
| Fromdate: | 11 January 1991 |
| Todate: | 29 January 1991 |
| Administrator: | BCCI |
| Cricket Format: | First-class cricket |
| Tournament Format: | Knockout |
| Champions: | North Zone |
| Count: | 8 |
| Participants: | 5 |
| Matches: | 4 |
| Most Runs: | Lalchand Rajput (WZ) (353)[1] |
| Most Wickets: | Avinash Kumar (EZ) (10)[2] |
| Previous Year: | 1989–90 |
| Previous Tournament: | 1989–90 Duleep Trophy |
| Next Year: | 1991–92 |
| Next Tournament: | 1991–92 Duleep Trophy |
The 1990–91 Duleep Trophy was the 30th season of the Duleep Trophy, a first-class cricket tournament contested by five zonal teams of India: Central Zone, East Zone, North Zone, South Zone and West Zone.
North Zone won the final against West Zone on first innings lead. However, the umpires called the match off when Rashid Patel attacked both Raman Lamba and Ajay Jadeja with a stump.[3]