Tatem may refer to:

• Tatem Elementary School, Collingswood, NJ
• Tatem Island, Bermuda
• Tatem (service provider), Democratic Republic of Congo
• For people surnamed Tatem, see Tatem (surname)

• 4.5-inch (114 mm) gun
• 4.5-inch gun
• 4.5-inch Gun M1
• 4.5-inch Mark 8 naval gun
• 45 K 37
• 45 K 42
• 45 king
• 45 (Kino album)
• 4,5-MDO-DiPT
• 4,5-MDO-DMT
• 45 minute
• 45 minute claim
• 45 minutes
• 45 Minutes from Hollywood
• 4.5mm
• 45-mm anti-tank gun M1937
• 45-mm anti-tank gun M1937 (53-K)
• 45 mm anti-tank gun M1937 (53-K)
• 45 mm anti-tank gun M1942 (M-42)
• 45-mm anti-tank gun M1942 (M-42)
• 4.5mm mkr
• 45-nanometer
• 45 or 46 songs that weren't good enough to go on our other records
• 45 or 46 Songs That Weren't Good Enough To Go On Our Other Records
• 45P/Honda-Mrkos-Pajdusáková