Tom or TOM can refer to:

• tom, a male turkey (bird). See also Hen (female turkey) and Poult (baby turkey)
• tom, a male cat
• the name of one of the two principal characters of the cartoon series Tom and Jerry.
• the tom-tom is a kind of drum.
• TOM is an abbreviation for the French Territoires d'outre-mer or overseas territories
• TOM is an abbreviation for the Slovenian term Temeljna obrestna mera