Grenade

A grenade is a hand thrown anti-infantry, or anti-vehicle weapon, while some might serve both purposes. They are primed by the user, and then thrown toward the target(s).

UNSC

 * M9 High-Explosive Dual-Purpose "Fragmentation Grenade" - Featured in all Halo games.
 * Flashbang grenade
 * Sonic grenade
 * Napalm grenade
 * Stun grenade

Covenant

 * Type-1 Antipersonnel "Plasma Grenade" - Featured in all Halo games.
 * Type-2 Antipersonnel Fragmentation "Spike Grenade" - Featured only in Halo 3.
 * Type-3 Antipersonnel/Antimateriel Incendiary "Firebomb Grenade" - Featured only in Halo 3.

Forerunner

 * Z-040 Attenuation Field Generator "Pulse Grenade" - Featured only in Halo 4.