Ion Roata (Romanian pronunciation: [i'on 'ro?at?]; also known as Ioan Roata or Mo? Ion Roata; 1806 in Câmpuri, Vrancea County – 20 February 1882 in Gura Vaii) was a Moldavian, later Romanian peasant and political figure.
Roata was representative in the Moldavian ad hoc Divan for the peasant electoral college of Putna County.
With Partida Nationala, he supported the election of Alexandru Ioan Cuza as Prince of Moldavia, as well as endorsing his elections in Wallachia (leading to the union of the two Danubian Principalities, which eventually occurred on 24 January 1859).
At the same time, he campaigned in favor of land reform in Moldavia and Romania at large.
Roata was known for his personal friendship with Domnitor Cuza and his main supporter, Mihail Kogalniceanu; events involving the three of them are present in a series of anecdotes by Ion Creanga.