Baldwin, Count of Hainaut may refer to:

Baldwin I, Count of Hainaut ( 1051–70), also Baldwin VI of Flanders Baldwin II, Count of Hainaut (r. 1070–98) Baldwin III, Count of Hainaut (r. 1098–1120) Baldwin IV, Count of Hainaut (r. 1120–1171) Baldwin V, Count of Hainaut (r. 1171–95), also Baldwin VIII of Flanders Baldwin VI, Count of Hainaut (r. 1195–1205), also Baldwin IX of Flanders and Baldwin I of the Latin Empire

See also Baldwin (name)