Judy Anne Lumagui Santos-Agoncillo is a Filipino actress, television host, recording artist, film producer, author, and restaurateur. Santos began as a child actress and made her professional television debut in Kaming Mga Ulila before her screen debut in the film Silang Mga Sisiw Sa Lansangan, where she appeared as part of the ensemble playing a supporting role. Her first lead role was in the Ula, Ang Batang Gubat. She was also part of the Philippine variety show That's Entertainment, but did not receive success until her appearance in Mara Clara. She later appeared in the television series Esperanza, Basta't Kasama Kita, Sa Piling Mo and Ysabella. Santos starred in the film adaptations of the TV series Mara Clara and Esperanza. She paired opposite Wowie de Guzman, Rico Yan, and Piolo Pascual as a love team onscreen. Santos's film credits include Till There Was You, Don't Give Up on Us, Ouija, Sakal, Sakali, Saklolo, Mag-ingat Ka Sa...Kulam, and My Househusband.

She is well recognized for her part in the television series Mara Clara. She also starred in the 1988 television series Ula, Ang Batang Gubat.