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Mighty Power Rangers (MMPR) is an American superhero television series produced by Saban Entertainment, which aired from August 28, 1993 to November 27, 1995, on the Fox Kids programming block, lasting three seasons. The series drew elements and stock footage from Super Sentai, a Japanese television series by Toei Company. Each season was inspired by Kyoryu Sentai Zyuranger, Gosei Sentai Dairanger, and Ninja Sentai Kakuranger, respectively. The series is the first entry of the Power Rangers franchise.

The series follows a group of teenagers from the fictional city of Angel Grove, California, chosen by the intergalactic being Zordon, to transform into the Power Rangers, a group of warriors prepared to fight against evil monsters sent from space by witch Rita Repulsa and her minions.

Mighty Morphin Power Rangers became a 1990s pop culture phenomenon, along with a large line of toys produced by Bandai, live tours, home media releases, and other merchandise, generating 1 billion dollars in revenue by 1995. The third season of the show was immediately followed by mini-series Mighty Morphin Alien Rangers in 1996, spawning a long-lasting television franchise.

While a global storyline would continue in Power Rangers Zeo, Power Rangers Turbo, Power Rangers in Space, and Power Rangers Lost Galaxy (which would function respectively as the fourth, fifth, sixth, and seventh seasons), subsequent seasons of the Power Rangers series would not be sequels or spin-offs in the traditional sense, having self-contained plots without any strong connections to the original series, while still set in the same universe. However, cast members and elements from Mighty Morphin Power Rangers would still be present on future iterations of the franchise, most notably, Jason David Frank reprising his role of Tommy Oliver in Power Rangers Dino Thunder.