Elena Herraiz Medina (; born 11 November 1992), known online as Linguriosa (), is a Spanish YouTuber, linguistic popularizer and Spanish-language teacher. Since 2024, she has appeared on the TV programme .
A native of Guadalajara, Herraiz graduated in Translation and Interpreting at the University of Valladolid in 2015, specializing in English and German, and went on to pursue a master's degree at the University of Alcalá, becoming a teacher of Spanish as a second language. She moved to Berlin for five years to teach Spanish.
In September 2019, she started the YouTube channel Linguriosa (a portmanteau of , 'curious linguist'), originally dedicated to sharing teaching methods for Spanish grammar, but where she now deals with linguistic doubts and focuses on Spanish language history and etymology.
In early 2024, Herraiz began collaborating on the game show (the Spanish version of ), broadcast on , as a language expert. She also started a joint podcast with YouTube medical popularizer Sandra Ortonobes (), titled .
Herraiz is a vegetarian. She has a girlfriend. she lives in A Coruña.