Conrad of Montferrat (or Conrad I of Jerusalem) (Italian: Corrado del Monferrato; Piedmontese: Conrà ëd Monfrà) (mid-1140s – 28 April 1192) was a northern Italian nobleman, one of the major participants in the Third Crusade. He was the de facto King of Jerusalem, by marriage, from 24 November 1190, but officially elected only in 1192, days before his death. He was also marquis of Montferrat from 1191.