Naïve may refer to:
- a French loanword (adjective, form of naïf) indicating having or showing a lack of experience, understanding or sophistication
- Naïve art, art created by untrained artists, or artists aspiring to naïve realisations
- Naïve realism, a theory of perception thought to be representative of most people's understanding and method of interpretation of their perceptions
- Naïve algorithm, a very simple solution to a problem that has a very high time- or memory- complexity
- Naive set theory, a non-axiomatic approach to set theory, in mathematics
- Naïve-liberalism
- Drug-naïve, a patient who has not previously used a particular drug (e.g., an opioid) during a particular course of treatment, and therefore has no tolerance; or someone who has not been exposed previously to an antigen
- Naïve (company), also known as Opus111, a French recording label
- Naïve (album), industrial rock group KMFDM's fifth album, released in 1990
- Naïve (song), a 2006 song by British post-punk rock band The Kooks, featured on their debut album