The first season of the American version of the television reality program Love Island began airing on July 9, 2019, and concluded on August 7, 2019. The 22-episode series was broadcast on CBS in the United States and CTV in Canada. Arielle Vandenberg hosted the series while Matthew Hoffman provided voice-over narration. On August 7, 2019, having received the largest quantity of votes from the public, David Osborne and Lorraine Osborne were crowned the winners and split the $100,000 prize. Dylan Curry and Alexandra Stewart were named the runners-up.

Love Island is an American dating reality show based on the British series Love Island. The series was announced and commissioned on August 8, 2018, by CBS. It premiered on July 9, 2019, on CBS. The series was hosted by Arielle Vandenberg for its first three seasons; Sarah Hyland replaced Vandenberg as host starting with the fourth season.