Buwaneka Aluwihare PC is a Sri Lankan judge and lawyer.
Prior to his appointment as Puisne Justice of the Supreme Court of Sri Lanka, he served as a Deputy Solicitor General of the Attorney General's Department.
He was sworn in by the President Mahinda Rajapaksa at Temple Trees.
Aluwihare worked as a prosecutor for the United Nations East Timor war crimes tribunal.
In 2015 he was also appointed to the Justice of Appeal of the Supreme Court of Fiji.