Mariupol uezd Маріупольскій уѣздъ
Uezd
Location in the Yekaterinoslav Governorate
Country	Russian Empire
Governorate	Yekaterinoslav
Established	1780
Abolished	1923
Capital	Mariupol
Area
• Total	8,989.5 km2 (3,470.9 sq mi)
Population  (1897)
• Total	254,056
• Density	28/km2 (73/sq mi)

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. Its administrative centre was Mariupol.

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.^[1]