The Mariupol uezd (Russian: Маріупольскій уѣздъ, romanized: Mariupolskiy uyezd; Ukrainian: Маріупольський повіт, romanized: Mariupol's'kyi povit) was one of the subdivisions of the Yekaterinoslav Governorate of the Russian Empire.

It was situated in the southeastern part of the governorate.

At the time of the Russian Empire Census of 1897, Mariupolsky Uyezd had a population of 254,056.

Of these, 46.1% spoke Ukrainian, 19.0% Greek, 14.0% Russian, 7.5% German, 6.1% Tatar, 4.1% Yiddish, 2.1% Turkish, 0.7% Belarusian and 0.2% Polish as their native language.

This article about a location in Ukraine is a stub.