American football has numerous types of positions, some of which only exist in certain formations and systems.
When unsure of the exact nature of the position, err on the side of the more generalized term, e.g. running back vs. halfback
| OFFENSE | DEFENSE | SPECIAL TEAMS |
| quarterback | defensive back | placekicker |
| running back | cornerback | punter |
| tailback | free safety/strong safety | holder |
| fullback | slot cornerback | long snapper |
| halfback | linebacker | kick returner |
| slotback | middle linebacker | punt returner |
| wingback | outside linebacker | gunner |
| wide receiver | Mike/Will linebacker | upback |
| slot receiver | defensive lineman | |
| tight end | down lineman | |
| split end | defensive end | |
| H-back | defensive tackle | |
| offensive lineman | nose tackle | |
| left tackle/right tackle | edge rusher | |
| left guard/right guard | ||
| center |