| Acronym | Definition |
|---|
| HOTO➣Health Of The Oceans (GOOS) |
| HOTO➣Heart of the Ozarks (Fayetteville, AR) |
| HOTO➣Head of the Ohio (Pittsburgh, PA rowing race) |
| HOTO➣Heart of the Oak (Diablo II gaming) |
| HOTO➣Heartbeat of the Ozarks Classic Car Club (Bentonville, AR) |
| HOTO➣Head of the Occoquan (rowing race) |
| HOTO➣Hand Over/Take Over |
| HOTO➣Hood Open/Trunk Open (automobiles) |