Rajasinghe I (Sinhala:පළමුවන රාජසිංහ) was a king of the Kingdom of Sitawaka. He is known for his extreme bravery and patriotism. Born as Tikiri Bandara to King Mayadunne of the Kingdom of Sitawaka, the name "Rajasinha" was given to him after a fierce battle against Portuguese forces. Rajasinha means the King of Lions (or the Lion King).