7.62mm

7.62mm may refer to:
 * 7.62x25mm Tokarev, A pistol cartridge. Commonly used in russian pistols and SMGs, such as the TT pistol 7.62x25 TT
 * 7.62x39mm, A rifle cartridge. Commonly used in russian rifles, such as the AKM 7.62x39 assault rifle
 * 7.62x54mmR, A rifle cartridge. Commonly used in russian precision rifles, such as the SV-98 bolt-action sniper rifle
 * 7.62x51mm NATO, A rifle cartridge. Commonly used in western rifles, such as the Remington R11 RSASS 7.62x51