Rayji de Guia is a fictionist, poet, and illustrator.

Her work can be found in Asian Cha, The Deadlands, harana poetry, Journal of English Studies and Comparative Literature, The Pinch, Makiling Review, Likhaan 17, and elsewhere. She also illustrated for Aurealis Mag, Rogelio Braga’s Si Betchay at ang Sacred Circle (Balangiga Press) and Is There Rush Hour in a Third World Country? (the87press), Zeny May Recidoro's I am a Wound Shrouded in Devotion (Alien Buddha Press), Angela Gabrielle Fabunan's Young Enough to Play (UP Press), and Angeli Lacson's Unbecoming (Paper Trail Project). Her poetry suite, “Neither nothing nor forgotten”, received first prize in the 2nd Gémino H. Abad Awards for Poetry and for Literary Criticism, and her short story, “Death for Serafina”, received second prize in the 69th Carlos Palanca Memorial Awards for Literature.

In 2021, she was a fellow for fiction in the Bread Loaf Writers’ Conference. She was a writer resident at Sangam House in 2019, Rimbun Dahan in 2022, and CMI Arts Initiative in 2023 with support from Asia-Europe Foundation and Cambodian Living Arts (ASEF-CLA), Para Site, artlink.ch, and Südkulturfonds. 

Currently, she is an instructor at the University of the Philippines – Diliman.