| HD 37124 b | |
| Discoverer: | California and Carnegie Planet Search |
| Discovery Site: | W. M. Keck Observatory |
| Discovered: | November 1, 1999 |
| Apsis: | astron |
| Semimajor: | 0.53AU |
| Eccentricity: | 0.055 |
| Period: | 154.46 ± 0.369 d |
| Time Periastron: | 2,450,000.11 |
| Arg Peri: | 140.5 |
| Semi-Amplitude: | 27.5 |
HD 37124 b is an extrasolar planet approximately 103 light-years away in the constellation of Taurus (the Bull). The planet was discovered in 1999 orbiting the star HD 37124. Based on its mass, it is most likely that this planet is a Jovian planet (like Jupiter).