Esprit
- Enthusiasm
- Esprit (magazine)
- Esprit (name)
- Esprit D'Air
- Esprit Holdings
- Esprit Systems
- Estimation of signal parameters via rotational invariance techniques
- European Strategic Program on Research in Information Technology
- European System Providing Refueling, Infrastructure and Telecommunications
- Geist
- L'esprit
- Lotus Esprit
- Morale
- Spirit (animating force)