Rajani, Rajni or Rajini is an Indian name that may refer to:
;Given name
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Rajani (actress) (born Shashi Kaur Malhotra), Indian film actress
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Rajinikanth (born 1950), Indian film actor
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Rajni Abbi, Indian lawyer and politician
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Rajni Bakshi, Indian freelance journalist and author
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Rajni Basumatary, Indian actress, producer, writer and director
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Rajani A. Bhisey (born 1941), Indian medical scientist
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Rajani Duganna, Indian politician
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Rajani Etimarpu (born 1990), Indian field hockey player
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Rajani Kannepalli Kanth, American economist and philosopher
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Rajani Kanta Barman (born 1979), Bangladeshi football defender
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Rajani Kanta Patir (1917–?), Indian Administrative Service officer
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Rajni Kothari (1928–2015), Indian political scientist, political theorist, academic and writer
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Rajini Krishnan, Indian motorcycle racer
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Rajni Kumar (1923–2022), British-born Indian educationist
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Rajani Palme Dutt (1896–1974), British journalist and politician
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Rajani Pandit, Indian private investigator
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Rajni Patil (born 1958), Indian politician
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Rajani Rai, Lieutenant Governor of Pondicherry, India
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Rajni Ranjan Sahu, Indian politician
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Rajni Razdan, Indian Administrative Service Officer
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Rajni Shah, British performance artist, writer and producer
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Rajini Thiranagama (1954–1989), Tamil human rights activist and feminist
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Rajni Tiwari, Indian politician
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Rajani Venugopal (born 1969), Indian cricketer
;Surname
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Bhisadej Rajani (1920–2022), prince of Thailand
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Jaimin Rajani, Singer-songwriter
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Lavajibhai Rajani, Indian politician
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Rakesh Rajani, Tanzanian civil society leader of Indian descent
{{Given name, type=both