Oldemarkt (Stellingwerfs: Ooldemark) is a village in the Dutch province of Overijssel.

It is located in the municipality of Steenwijkerland, about 12 km west of Steenwijk.

Oldemarkt was a separate municipality until 1973, when it became a part of IJsselham.

[3] It was first mentioned in 1336 as Dodovene meaning "Bog of Dodo (person)".

[6] In 1973, it ceased to be an independent municipality, however the town hall of IJsselham remained in Oldemarkt.