32 Eridani (abbreviated 32 Eri) is a binary star in the constellation of Eridanus. The two stars are designated () and (). They share a single entry in the Hipparcos catalogue, , but have separate entries in the Bright Star Catalogue, and .
32 Eridani is visible to the naked eye as a single star with an apparent magnitude of 4.45. Individually, shines at magnitude 4.79 while has a magnitude of 6.14. As of 2021, the pair had an angular separation of about 6.90 arcseconds with a position angle of 349ð.
Based on measurements of parallax by the Gaia mission, the system lies at a distance of about from Earth.
The primary component, , is an evolved yellow giant star of spectral type G8III. It has a radius about 15 times that of the Sun and a luminosity around 138 times solar, with an effective temperature of about .
The secondary component, , is a main-sequence star of spectral type A1V. It has a surface temperature of roughly and rotates rapidly with a projected rotational velocity of about , giving the star a noticeably flattened shape due to its rotation.