Breakfast of Champions, by Kurt Vonnegut, alternatively titled "Goodbye Blue Monday!"

Blue Monday (Eureka Seven episode) is the 1st episode of the anime series Eureka Seven

Blue Monday (New Order song), a 1980s dance music record, and the highest selling 12-inch single of all time

The fifth and deciding game of the 1981 National League Championship Series between the Montreal Expos and the Los Angeles Dodgers

Blue Monday (opera), the original name of a George Gershwin's one-act "Jazz opera" 135th Street

Blue Monday (comic), a slice of life comic book by Chynna Clugston-Major

Blue moon

Blue Monday (date), the most depressing day of the year

Red letter day

Brenda Ann Spencer

Saint Monday

Blue Monday/Stitches CD Single, is the first single of the Synth rock band Orgy, also found on their album Candyass

Blue Monday (Fats Domino song), one of the earliest R&B songs to make the Billboard charts

Blue Monday (White Lion song), an instrumental by White Lion guitarist Vito Bratta

The Monday before Shrove Tuesday and Lent; see also Clean Monday