What does the name Sierra mean? The meaning of the name Sierra is Mountain. The origin of the name Sierra is Spanish. This is the culture in which the name originated, or in the case of a word, the language.
Alternate spellings: Xyerra, Siera
People who like the name Sierra also like: Sienna
, Emma Ethan
Name Notes: Sierra McCormick, actress. Sierra McClain, actress. Sierra Nevada, a mountain range in the Western U.S.