"Blue Monday" is a song by the British rock band New Order. It was released as a 12-inch single on 7 March 1983 through Factory Records. It appears on certain cassette and CD versions of New Order's second studio album, Power, Corruption & Lies (1983). The track was written and produced by Gillian Gilbert, Peter Hook, Stephen Morris and Bernard Sumner.

New Order are an English synth-pop band formed in 1980 by vocalist and guitarist Bernard Sumner, bassist Peter Hook, and drummer Stephen Morris. The members regrouped after the disbandment of their previous band Joy Division due to the suicide of lead singer Ian Curtis. They were joined by Gillian Gilbert on keyboards later that year. New Order's integration of post-punk with electronic and dance music made them one of the most acclaimed and influential bands of the 1980s. They were the flagship band for Manchester-based independent record label Factory Records and its nightclub The Haçienda, and they worked in long-term collaboration with graphic designer Peter Saville.