Kdo may refer to:
*
3-deoxy-D-manno-octulosonic acid kinase
3-deoxy-D-manno-octulosonic acid kinase (, ''kdkA (gene)'', ''Kdo kinase'') is an enzyme with systematic name ''ATP:(KDO)-lipid IVA 3-deoxy-alpha-D-manno-oct-2-ulopyranose 4-phosphotransferase''. This enzyme catalyses the following chemical reacti ...
, an enzyme
*
Ketodeoxyoctonic acid
3-Deoxy--''manno''-oct-2-ulosonic acid (ketodeoxyoctonic acid; KDO; IUPAC symbol Kdo) is an ulosonic acid of a 2-ketooctose which is used by bacteria in the synthesis of lipopolysaccharides. The -''manno'' prefix indicates that the four chiral ...
* ''Kommandeur der Ordnungspolizei'' (KdO), commander of the German
Ordnungspolizei during World War II
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