Charles Sigfred Chieng (born 27 June 1954)^[1] is a Micronesian politician who is serving as the ninth and current governor of Yap since 9 January 2023.

In 1974, Chieng studied political science at the University of Guam, and transferred to the University of the Incarnate Word in Texas, where he earned a B.A. in Political Science and a B.A. in Secondary Education. He then moved to Washington D.C. for his M.D. in Urban and Region Planning at DCU.^{[2][clarification needed]}

Chieng served as a legislator from 2003 to 2015, where he was speaker of the 7th Yap State Legislature and a member and chair of the Resource, Education and Development Committee.

Chieng and his running mate, Francis Itimai ran in the election for governor of Yap State on 8 November 2022^[2] against the incumbent governor Jesse Salalu and former Cabinet official James Gartamag Lukan. Chieng won the three-way election with a 44.2% plurality of the vote corresponding to 1,630 votes.^[3][4]