Ninja Sentai Kakuranger (忍者戦隊カクレンジャー, Ninja Sentai Kakurenjā, Ninja Squadron Kakuranger) is a Japanese tokusatsu television series. It was Toei Company Limited's eighteenth production of the Super Sentai metaseries. It aired from February 18, 1994 to February 24, 1995, following its predecessor Gosei Sentai Dairanger and was replaced by Chouriki Sentai Ohranger. The name given to this series by Toei for international distribution is Ninja Rangers.

Action footage from the series was used in the third season of Mighty Morphin Power Rangers and Mighty Morphin Alien Rangers. The core Zyuranger costumes from Kyōryū Sentai Zyuranger and the Kiba Ranger costume from Gosei Sentai Dairanger were mainly used in the third season of Mighty Morphin Power Rangers while the core Kakuranger costumes were used in Mighty Morphin Alien Rangers. In January 2016, Shout! Factory announced that they would release "Ninja Sentai Kakuranger: The Complete Series" on DVD in North America. Kakuranger was released on DVD in North America on May 17, 2016. This is the third Super Sentai Series to be released in North America. In addition on May 22, 2017, Shout! streamed the series on their website. As of 2024, the series is available in North America on Tubi.