Treatment may refer to:

• "Treatment" (song), a 2012 song by Labrinth
• Film treatment, a prose telling of a story intended to be turned into a screenplay
• Medical treatment also known as "therapy"
• Sewage treatment
• Surface treatment or surface finishing
• Water treatment

• In Treatment, an American drama television series
• In Treatment (Italian TV series), an Italian drama television series
• National treatment, an economic concept focused on grantings to foreigners of rights similar to those of domestic nationals
• Silent treatment, a form of social rejection
• The Treatment (disambiguation)
• Treatment group, the collection of items or individuals receiving the same treatment in an experiment
• Window treatment, any of various styling choices specific to the interiors of windows
• All pages with titles beginning with Treatment
• All pages with titles containing Treatment