Domokos; died 11 April 1241) was a Hungarian distinguished nobleman from the gens Rátót, who served as master of the treasury between 1238 and 1240.
His father was Rathold Rátót, ispán (comes) of Somogy County in 1203.
His younger brother was Baldwin I Rátót.
Dominic I had four sons and a daughter (spouse of Maurice II Pok).
[1] He also functioned as ispán of Nyitra (1238) and Bihar Counties (1240).