Idalis may refer to:
;People named "Idalis" or "Idalys"
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Idalis DeLeón (b. 1966), an American actress, singer, and television host
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Idalys Ortiz
Idalys Ortiz Bocourt (born 27 September 1989) is a Cuban judoka. She competed in the over 78 kg division at the 2008, 2012 and 2016 Olympics and won a medal on each occasion. She won the silver medal in the women's +78 kg event at the 2020 ...
(b. 1989), a Cuban judoka (judo practitioner) and Olympic medal winner
;Ships
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USS ''Idalis'' (SP-270), a United States navy patrol vessel and training ship in commission from 1917 to 1919
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