"The Little Mermaid" is a fairy tale by Hans Christian Andersen.

The Little Mermaid may also refer to:

• The Little Mermaid (statue), in Copenhagen
• The Little Mermaid, a symbol featured in the coat of arms of Warsaw, Poland

• The Little Mermaid (1968 film), a Russian animated 29-minute film
• Hans Christian Andersen's The Little Mermaid (1975 film), a Japanese anime film by Toei
• The Little Mermaid (1974 Canadian film), an animated 30-minute film produced by Gerald Potterton and directed by Peter Sander
• The Little Mermaid (1976 Czech film), a live-action film directed by Karel Kachyňa
• The Little Mermaid (1976 Russian film), a live-action film directed by Vladimir Bychkov
• "The Little Mermaid" (Faerie Tale Theatre), a live-action television episode
• "The Little Mermaid", an episode of the animated television episode Super Why!
• The Little Mermaid (franchise), comprising:
  • The Little Mermaid (1989 film), an animated film from Walt Disney Pictures
  • The Little Mermaid (TV series), based on the Disney film
  • The Little Mermaid (video game), based on the Disney film
  • The Little Mermaid II: Return to the Sea, a 2000 direct-to-video sequel to the Disney film
  • The Little Mermaid: Ariel's Beginning, a 2008 direct-to-video prequel to the Disney film
  • The Little Mermaid (musical), based on Disney's animated film
  • The Little Mermaid Live!, a 2019 musical television special based on the Disney film
  • The Little Mermaid (2023 film) a live-action film adaptation of the Disney original
• Saban's Adventures of the Little Mermaid, a 1991 Japanese anime TV series by Fuji Eight
• The Little Mermaid, a 2005 ballet with music by Lera Auerbach and choreography by John Neumeier
• The Little Mermaid, a a live-action made-for-TV German adaptation directed by Irina Popow
• The Little Mermaid, a 2016 live action film starring Rosie Mac
• The Little Mermaid, a 2017 ballet with music by Sally Beamish
• The Little Mermaid (2018 film), a live-action film directed by Blake Harris

• The Little Mermaid (1989 soundtrack), for the 1989 Disney film
  • The Little Mermaid: Songs from the Sea, original songs inspired by the Disney film
• Disney's The Little Mermaid (2008 album), the original Broadway cast recording of the Disney musical
• The Little Mermaid (2023 soundtrack), for the 2023 Disney film
• Die Seejungfrau, a symphonic poem written in 1903 by Alexander von Zemlinsky

• Little Mermaid (comics), either of two heroines in the Global Guardians team from DC Comics
• The Little Mermaid: Ariel's Undersea Adventure, an attraction at Disney's California Adventure park and Disney's Magic Kingdom Park
• La Sirenita, a professional wrestler

• Mermaid (disambiguation)