Donald Masike'Vanua Kalpokas (23 August 1943 – 20 March 2019) was a ni-Vanuatu politician and diplomat. He served as Prime Minister of Vanuatu twice (September 1991 – December 1991; March 1998 – November 1999). He was a member of the democratic socialist party Vanua'aku Pati. Kalpokas was born on the island of Efate.