Blue Monday may refer to:

• "Blue Monday" (New Order song), a 1983 song by New Order
• "Blue Monday" (1954 song), a 1950s song first recorded by Smiley Lewis and later popularized by Fats Domino
• Blue Monday (Flunk album), a 2002 album by Flunk
• Blue Monday (opera), the original name of a George Gershwin one-act "jazz opera"
• Blue Monday (band), a Vancouver hardcore punk band
• "Blue Monday", 1991 instrumental by White Lion on Mane Attraction
• Blue Monday, weekly blues and jazz show created by DJ Larry Monroe

• Blue Monday (term), workers hungover from a weekend's drinking
• Blue Monday (comics), a comic book by Chynna Clugston-Major
• Blue Monday (date), supposedly the most depressing day of the year
• "Blue Monday" (Eureka Seven episode), the pilot episode of the anime series Eureka Seven
• The last game of the 1981 National League Championship Series between the Montreal Expos and the Los Angeles Dodgers
• Blue Monday, a 1985 painting by artist Annie Lee
• Nieuwmarkt riots, Netherlands: 1975 protests in Amsterdam against the demolition of homes

• Goodbye Blue Monday (disambiguation)