Hans Theessink (born 5 April 1948, Enschede, Netherlands) is a Dutch guitarist, singer and songwriter, living in Vienna, Austria. He performs blues and roots music, particularly in a Delta blues style. Theessink has released 20 albums, a songbook, a blues-guitar instruction video and a DVD.

In 2012, he released Delta Time (2012), performed with Terry Evans and featuring Ry Cooder.