Eötvös is a Hungarian surname.

Eötvös can also refer to: Eötvös (crater), on the Moon Eotvos (unit), a unit of gravitational gradient Eötvös effect, a concept in geodesy Eötvös experiment, an experiment determining the correlation between gravitational and inertial mass Eötvös number, a concept in fluid dynamics Eötvös rule, for predicting surface tension dependent on temperature