ODST may refer to the following:
- Orbital Drop Shock Trooper - An elite group of UNSC (united states space command) Marines under the supervision of NAVSPECWAR.
- Orbital Drop Shock Troopers (Music) - Music based on the ODST.
- Halo 3: ODST - A video game by Bungie that serves as a prequel to Halo 3.
- We Are ODST - A live-action short about the ODSTs.
- Orbital drop shock troopers [odst] trained for the most difficult kind of landing operation- a terrifying rid through hellish conditions into the most difficult combat zones.