Kubanychbek Myrzabek uulu Jumaliyev (; born 26 April 1956) is a Kyrgyz politician who served as the Prime Minister of Kyrgyzstan from 24 March 1998 to 23 December 1998.
He was born in Jalal-Abad Region. and worked in Frunze Polytechnic Institute from 1978 to 1992.
2019 reporting revealed that Jumaliyev had omitted in his tax declaration to mention 45 companies that he or his wife owned. In February 2021, he was arrested on suspicion of abuse of office, money laundering, tax evasion, and illegal enrichment. Later that year, he was released on pretrial detention later that year after paying almost $12 million to the state treasury.