A blue moon is an astronomical phenomenon.

Look up blue moon in Wiktionary, the free dictionary.

Blue Moon may also refer to:

• The Blue Moon (film), a 1920 American silent drama film
• Blue Moon (2000 film), an American comedy-drama film written and directed by John A. Gallagher
• Blue Moon (2002 film), an Austrian road movie/romantic comedy written and directed by Andrea Maria Dusl
• Blue Moon (2006 film), a Philippine romantic drama directed by Joel Lamangan
• Blue Moon (2021 film), a Romanian film by Alina Grigore, Golden Shell winner at the 69th San Sebastián International Film Festival
• The Blue Moon (musical), a 1905 London musical
• "Blue Moon" (American Horror Story), a 2021 television episode
• "Blue Moon" (Little Witch Academia), a 2017 television episode
• Blue Moon, a 1997 Taiwanese film starring Tarcy Su
• Blue Moon, a 2016–2018 TV series starring Karine Vanasse

• Blue Moon (Child novel), a 2019 Jack Reacher novel by Lee Child
• Blue Moon (Hamilton novel), a 1998 Anita Blake: Vampire Hunter novel by Laurell K. Hamilton
• Blue Moon (Noël novel), a 2009 Immortals novel by Alyson Noël

• Blue Moon Diner, Gardner, Massachusetts, US
• Blue Moon Tavern, Seattle, Washington, US
• Blue Moon (beer), a Belgian-style witbier manufactured by MillerCoors
• Blue moon (ice cream), a blue-colored ice cream popular in the U.S. Midwest
• Blue Moon Press, a British small press founded by Charles Lahr

• Blue Moon (spacecraft), a robotic cargo carrier and lander design concept for making deliveries to the Moon
• Blue moon butterfly or Hypolimnas bolina, a butterfly species
• Blue moon danio, a freshwater fish
• Blue moon, an astronomical phenomenon caused by the 1883 eruption of Krakatoa

• Blue Moon (game), a fantasy card game
• Blue Moon, Kentucky, US
• Blue Moon Odom (born 1945), American baseball pitcher
• Blue Moon of Josephine Diamond, a South African blue diamond
• Blue Moon, a fictional country in the Wars series of video games

• All pages with titles beginning with Blue Moon
• Once in a Blue Moon (disambiguation)
• The Moon Is Blue

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