title: William Dennis (disambiguation)
text: # William Dennis (disambiguation)
  
  William Dennis (1856–1920) was an Independent Conservative member of the Senate of Canada.
  
  William or Billy Dennis may also refer to:
  
  * Billy Dennis (English footballer) (1896–1952), English footballer
  * Willie Dennis (1926–1965), American jazz musician
  * Willie D (born 1966), rapper
  * Bill Dennis (born 1935), NASCAR driver
  * William Lockyer Dennis (1853–1919), English-born American politician
  * William M. Dennis (1810–1882), American businessman and politician
  * William S. Dennis (fl. 1910s), American captain of the Vanitie yacht in the America's Cup trials
  * Will Dennis (born 2000), English footballer
  