Felicitas Layag-Radaic, also known as Tita Radaic, is a dancer, teacher and choreographer. She was born on 10 July 1936 in Manila to Felino Layag and Rafaela Pacia. She is married to Ante Radaic. She is the sister of Luis Pacia Layag and Lucy Layag de los Reyes. She also writes dance criticism and poetry.
She graduated from the University of the Philippines with a bachelor of arts degree and a master of arts in the Spanish language from the University of Madrid.
As a ballerina, she trained with Anita Kane. She furthered her studies in Paris and Madrid under Valentina Kaschubas, Xenia Tripolitoff, and Karen Marie Taft. In 1964, she trained in London with a scholarship from the Music Promotion Foundation of the Philippines to qualify for membership in the Royal Academy of Dancing after passing all examinations to the advanced level. She also earned a membership in the Imperial Society of Teachers of Dancing which trains in the Cechetti Method.
In 1968, she organized the Royal Academy of Dancing branch in the Philippines, and in that same year, she co-founded Dance Theater Philippines (DTP) together with Julie Borromeo and Eddie Elejar. She served DTP for 21 years as dancer, teacher, artistic and managing director. She also founded her own school at St. Theresa's College. Here she taught dancers such as Irene and Hazel Sabas, Sophia Radaic, Mary Anne Santamaria, Eloisa Enerio, Anna Villadoid, Lisa Macuja, and Mylene Saldaña.
- Oy, Akin 'Yan! (Hey, That's Mine!) (1968)
- Tanan (Elopement) (1968)
- Mir-i-nisa (1969)
- May Day Eve (1971)
- The Prey (1973)
- Maho-no-Ken (1974)
- Japonsina (1975)
- Nan-Pangkat (1975)
- Diwata (Fairy) (1976)
- Tubig!!! (Water!!!) (1979)
- La Innamorata (The Enamored) (1983)
- 1973 – she received study grants from the German International Theater Institute and the British Council
- 1985 – Patnubay ng Sining at Kalinangan Awardee – City of Manila
- 1988 – Mariang Maya Awardee – UP Sigma Delta Phi Sorority
- Villaruz, B.E.S. "Altar". In CCP Encyclopedia of Philippine Art, 1st ed., Vol. 5, 217. Philippines: CCP Publications Office, 1994.