| C/1937 P1 (Hubble) | |
| Discoverer: | Edwin Hubble |
| Discovery Site: | Mount Wilson Obs. |
| Discovery Date: | 4 August 1937 |
| Designations: | 1937g 1936 V |
| Epoch: | 8 November 1936 (JD 2428480.5) |
| Observation Arc: | 85 days |
| Obs: | 58 |
| Aphelion: | 140.125 AU |
| Perihelion: | 1.9536 AU |
| Semimajor: | 71.039 AU |
| Eccentricity: | 0.9725 |
| Period: | 599 years |
| Inclination: | 11.581° |
| Asc Node: | 97.796° |
| Arg Peri: | 147.49° |
| Tjup: | 1.759 |
| Last P: | 14 November 1936 |
Comet Hubble, formally designated C/1937 P1, is the first and only comet discovered by astronomer Edwin Hubble. The comet was already on its outbound flight when it was first spotted in August 1937 as a magnitude 13.5 object in the constellation Sagittarius. It is the fourth comet discovered in 1937.