Occupation may refer to:

• the principal activity (job, work or calling) that earns money (regular wage or salary) for a person (see employment, profession, business, List of occupations)
• the periods of time following a nation's territory invasion by controlling enemy troops (see Military occupation)
• the act of settling onto an uninhabited tract of land, see Annexation and Terra nullius
• the temporary forceful occupation of a (typically governmental) symbolic building, as a sign of protest
• the act of settling into of a building (see ownership)
• any activity that occupies an important portion of a person's attention (see fan)