Best Interest or Best Interests may refer to:
Best interests, a child rights principle Best Interest, a 2019 Taiwanese television series starring Tien Hsin and James Wen "Best Interest" (song), by Tyler, the Creator, 2019 Best Interests, a 2023 British television drama series
See also In the Best Interest of the Child, a 1990 American telemovie about child sexual abuse starring Meg Tilly In the Best Interest of the Children, a 1992 American fact-based telemovie starring Sarah Jessica Parker "Best interest decisions", made on behalf of people who do not have mental capacity in England and Wales