Cletus Apul Avoka (born 20 November 1951) is a Ghanaian lawyer, politician and member of the Parliament of Ghana representing the Zebilla constituency in the Upper East region.

He was the Minister for Interior in the National Democratic Congress government of John Atta Mills in Ghana until January 2010.

[3] He was formerly the Member of Parliament for Bawku West constituency in the Upper East region of Ghana from 1993 to 2005.

In the 2008 parliamentary election, he re-entered parliament as the second MP for the Zebilla constituency and assumed office in January 2009.

[4] In the year 2000, he won the general elections as the member of parliament for the Garu-Tempane constituency of the Upper East Region of Ghana.