Guillermina
Guillermina is a female given name with Spanish origins and may refer to:

Guillermina Bravo (1920–2013), Mexican ballet dancer, choreographer and ballet director
Guillermina Bravo Montaño (born 1949), Colombian politician
Guillermina Candelario (born 1970), Dominican weightlifter
Guillermina Casique Vences (born 1961), Mexican politician
Guillermina Dulché, Mexican painter
Guillermina Grant (born 2002), Uruguayan tennis player
Guillermina Green (1922–2006), also known as Guillermina Grin, Spanish film actress
Guillermina Jasso, American sociologist
Guillermina Jiménez Chabolla (1930–2020), known by her stage name Flor Silvestre, Mexican singer, actress, and equestrian
Guillermina López Balbuena (born 1973), Mexican politician
Guillermina Lozano, American geneticist
Guillermina Naya (born 1996), Argentine tennis player
Guillermina Rojas y Orgis, Spanish anarchist and teacher
Guillermina Uribe Bone (1920–2018), Guatemalan civil engineer
María Guillermina Valdes Villalva (also known as Guillermina Valdez de Villalva, 1939–1991), Chicana scholar and activist