| <-- 1965 South Africa | 1965 Season Formula One Monaco Grand Prix | 1965 Belgium --> |
| <-- 1964 Monaco | 1966 Monaco --> |

The 1965 Monaco Grand Prix was a Formula One motor race held at Monaco on 30 May 1965. It was race 2 in the 1965 Formula One season, albeit held almost five months after the first race of the season.
The race was won by BRM driver Graham Hill from pole position. Lorenzo Bandini finished second for the Ferrari team, and Hill's teammate Jackie Stewart came in third. New Zealand driver and future World Champion Denny Hulme made his Formula One World Championship debut at this Grand Prix, finishing eighth.
This race marked the second time a driver has crashed into the harbour when Paul Hawkins fell in on lap 79. Alberto Ascari first crashed there during his accident at the 1955 Monaco Grand Prix.

| Offical Name XXIII Grand Prix de Monaco |
| Date 1965-05-30 |
| Circuit |
| Course Length km \ miles |
| Distance 100 laps, km \ miles |
| Pos. | Driver | Constructor |
|---|---|---|
| Driver | Consturctor | Time |
|---|---|---|
| Driver | Constructor | Fastest Lap |
|---|---|---|
| Pos. | Driver | Points |
|---|---|---|
| 1 | 13 | |
| 2 | 9 | |
| 3 | 9 | |
| 4 | 6 | |
| 5 | 5 | |
| 6 | 4 | |
| 7 | 3 | |
| 8 | 1 |
| Pos. | Constructor | Points |
|---|---|---|
| 1 | 13 | |
| 2 | 12 | |
| 3 | 9 | |
| 4 | 4 | |
| 5 | 1 |