Mortar

Mortar may refer to:
 * Mortar (weapon), an indirect-fire infantry weapon
 * Mortar (masonry), a material used to fill the gaps between blocks and bind them together
 * Mortar and pestle, a tool pair used to crush or grind
 * Mortar, Bihar, a village in India
 * Mortar (organization), a nonprofit in Cincinnati, Ohio
 * The Manby mortar, an invention for rescuing shipwreck survivors