Olson is a Scandinavian surname that originates from Norway and Sweden. It is derived from the Old Norse name Óláfr, meaning "ancestor's descendant." The name is commonly found in Nordic countries and has spread to other countries through Scandinavian immigrants. Olson is a popular name among those of Scandinavian descent and is often passed down through generations. People with the last name Olson are often known for their strong work ethic, determination, and loyalty to their family and heritage.