Bill or William Otto may refer to:
*
Bill Otto (entrepreneur), founder of Otto Laboratories and
Otto Aviation Group
*
Bill Otto (Kansas politician), Republican member of the Kansas House of Representatives from 2005 to 2012
*
Bill Otto (Missouri politician)
Bill Otto (born January 1, 1956) is a former Democratic member of the Missouri House of Representatives, representing District 70. He is a Navy veteran and retired air traffic controller. In 2016, Otto choose to run for the 2nd Congressional Di ...
(born 1956), Democratic member of the Missouri House of Representatives from 2013 to 2017
*
William Tod Otto (1816–1905), American judge and reporter of decisions of the United States Supreme Court
{{hndis, Otto, Bill