Baldwin, Count of Hainaut

Baldwin, Count of Hainaut may refer to:


 * Baldwin I, Count of Hainaut ((r. undefined – undefined) 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