Ontrack (disambiguation)

Ontrack or ONTRACK may refer to:
 * ONTRACK, former trading name for New Zealand Railways Corporation (NZRC), now KiwiRail Network
 * OnTrack, a commuter railway in New York state, U.S.
 * Ontrack, a computer data recovery company acquired by Kroll Inc. to form Kroll Ontrack
 * Ontrack software, author of the 1980s–1990s computer utility suite Disk Manager for DOS
 * OnTrac, a regional parcel carrier in the Western United States
 * Ontrak Inc., a publicly traded healthcare company founded by Terren Peizer