TRI.BE (트라이비) (formerly known as LIONGIRLS and TRI.ANGLE) is a six-member girl group under TR Entertainment and Mellow Entertainment. Originally a seven-member group, they debuted on February 17, 2021, with their first single album TRI.BE Da Loca.

Their name is a combination of the words “Tri” (short for triangle), which symbolizes perfection, and “Be,” meaning “to be” — together representing a “perfect existence.”