Sierra is a name that is used in various English-speaking countries and regions, often chosen for its evocative imagery and nature-inspired qualities. The popularity of the name Sierra has shown fluctuations over time, with a peak in the late 20th century and a slight decline in recent years.

The Sierra Club is a prominent environmental organization founded in the United States in 1892. It focuses on environmental conservation, protection of natural resources, and promoting sustainable practices. Sierra Burgess is a fictional character from the 2018 Netflix film "Sierra Burgess Is a Loser." The character, portrayed by Shannon Purser, explores themes of self-acceptance, body image, and teenage relationships.

There are several famous namesakes named Sierra, including Sierra Boggess (American actress and singer known for her roles in Broadway musicals), Sierra McCormick (American actress), and Sierra Aylina McClain (American actress and singer).