The Order of Viesturs () is a Latvian state order founded in 1938, which was temporarily discontinued in 1940 by the Soviet occupation of Latvia, but was re-established in 2004. The order is named after the medieval historical figure King Viesturs of ancient Semigallia. Currently it is the highest military-related award still awarded by Latvia.
The order is awarded in the following classes:
The order also has three medals that may be awarded in the civil or military divisions: