莫纳加斯州（西班牙语：Estado Monagas）是委内瑞拉东部的一个州，东北临帕里亚湾。面积28,900平方公里，2007年人口855,300人。首府马图林。

1909年建州。下分十三个自治市。州名纪念第十一、三任总统荷西·T·莫纳加斯及其兄弟荷西·G·莫纳加斯。

Monagas State (Spanish:Estado Monagas, IPA: [esˈtaðo moˈnaɣas]) is one of the 23 states of Venezuela.

Monagas State covers a total surface area of 28,900 km² and, as of the 2011 census, had a population of 905,443.

Monagas State is surrounded by Sucre State in the north, Anzoátegui State in the west and south, Bolívar State in the south, Delta Amacuro State in the south and east and the Paria Gulf in the northeast.