• M-33 (Michigan highway)
  M-33 (Michigan highway)
  M-33 is a north–south state trunkline highway in the US state of Michigan that runs from Interstate 75 at Alger in Arenac County north to M-27 near Cheboygan. In between, the trunkline runs through rural sections of the northeastern Lower Peninsula including state and national forest areas...
  
  , a state highway in Michigan
• M33 cluster bomb
  M33 cluster bomb
  The M33 cluster bomb, also known as the Brucella cluster bomb, was a U.S. biological cluster bomb developed in the early 1950s and deployed in 1952. It was the first standardized biological weapon in the U.S. arsenal.-History:...
  
  , a Cold War-era U.S. biological cluster bomb
• HMS M33
  HMS M33
  HMS M33 is an M29-class monitor of the Royal Navy built in 1915. She saw active service in the Mediterranean during World War I and in Russia during the Allied Intervention in 1919...
  
  , an M29-class monitor warship of the Royal Navy
• Macchi M.33
  Macchi M.33
  |-See also:...
  
  , an Italian racing flying boat of 1925
• Miles M.33 Monitor, a 1944 twin engined British target tug aircraft
• Mike Tempesta
  Mike Tempesta
  Mike Tempesta is a rock guitarist. He also goes by the moniker "M.33". He was a member of Human Waste Project, and later a member of Powerman 5000 until his departure in 2005. He performed on the debut album of Scum of the Earth, once again with his brother John Tempesta, and has since left the...
  
   (aka M.33), a rock guitarist
• M33, US Army rocket launcher for the Honest John rocket
• Messier 33, or Triangulum Galaxy, a galaxy in the Local Group of galaxies
• M33 (gene)
  M33 (gene)
  M33 is a gene. It is a mammalian homologue of Drosophila Polycomb. It localises to euchromatin within interphase nuclei but is enriched within the centromeric heterochromatin of metaphase chromosomes....
  
  

See also

• M33 in Andromeda
  M33 in Andromeda
  M33 in Andromeda is a collection of six science fiction stories by A. E. van Vogt first published in April 1971.-Contents:* "Siege of the Unseen"...
  
  , a collection of science fiction short stories by A. E. van Vogt