Vallejos is a Spanish-language surname, roughly meaning "little valleys". Notable people with the surname include:
Carlos Vallejos Sologuren (born 1940), Peruvian physician and politician Catalina Vallejos (born 1989), Chilean television personality Daniel Vallejos (born 1981), Costa Rican footballer Fabiana Vallejos (born 1985), Argentine women's footballer Leopoldo Vallejos (born 1944), Chilean retired footballer Lyna Vallejos (born 1993/1994), Argentine gamer, writer and YouTuber Roque Vallejos (1943-2006), Paraguayan poet Tomás Vallejos (born 1984), Argentine rugby union player Veronica Vallejos (born 1967), Chilean scientist
See also Vallejo (surname) Vallejos (disambiguation)