Fina Casalderrey (born 11 August 1951) is a Spanish writer and educator, considered to be one of the most important writers of Galician children's literature.

[1][2] She was born in Xeve in Pontevedra and began a career in teaching.

[2][1] She received the Castelao Medal in 2003 and the Premio da Cultura Galega [gl] in 2015.

Casalderry is a member of the Royal Galician Academy.

She has also written scripts for a number of short films.