Astikas is a Lithuanian surname belonging to the noble Lithuanian family of Astikai, Notable people with the surname include:
- (1470âÂÂ1518 or 1519), Lithuanian nobleman and statesman
- Jurgis Astikas (1530âÂÂ1579) Lithuanian nobleman
- Kristinas Astikas (1363âÂÂ1442 or 1444), Lithuanian noble and statesman
- Radvila Astikas (died 1477), Lithuanian nobleman
- (died 1519), Lithuanian statesman, voivode of Polotsk