Hilari "Ernest" Raguer i Suñer (11 August 1928 – 1 October 2020) was a Spanish monk, historian and political activist. He was born in Madrid. He was honored with the Creu de Sant Jordi in 2014. Raguer was a well known critic and activist against the Francisco Franco regime. He worked at the Santa Maria de Montserrat Abbey.
Raguer died on 1 October 2020 at the Santa Maria de Montserrat Abbey at the age of 92.