| Penalty | Definition | Result |
|---|
| Chop Block | When two players block the same defensive player one above and below the thigh. | 15 Yards |
| Clipping | When a player blocks or falls into an opposing player from behind below the knees. | 15 Yards |
| Defensive Holding | When a defensive player holds onto an opposing player by their uniform rather than only push blocking, preventing them from moving in a certain direction. | 10 Yards |
| Defensive Offside | When a defensive player is over the line of scrimmage at the time of the snap. | 5 Yards |
| Defensive Pass Interference | When a defensive player disrupts an opposing player's attempt to catch a pass. | Spot of the Foul |
| Delay Of Game | Called on a team when a play is not started after a set amount of time has passed, usually when the play clock expires. | 10 Yards |
| Delay Of Kickoff | When a team commits a delay of game penalty during a kickoff. | 10 Yards |
| Disqualification | When a player’s actions result in that player being removed from the game | 25 Yards |
| Encroachment | When a defensive player illegally crosses the line of scrimmage before the snap and makes contact with an opposing player or has a clear path to the quarterback. | 5 Yards |
| Facemask | When a player grabs an opposing player by the facemask. | 15 Yards |
| False Start | When an offensive player begins moving before the ball is snapped. | 5 Yards |
| Horse Collar | When a player grabs an opposing player from behind by the back collar of the uniform, under the padding, and pulls the player straight down off of their feet. | 15 Yards |
| Illegal Block Above The Waist | When a player blocks an opposing player, who does not have the ball, from behind and above the waist. | 10 Yards |
| Illegal Contact | When a player makes contact with an opposing player when they are not allowed to contact at that time. | 5 Yards, Automatic 1st Down |
| Illegal Crackback | When a player runs laterally across the field and blocks a defenseless player below the waist. | 15 Yards |
| Illegal Cut Block | When a player blocks an opposing player by diving into their knees from the front. | 15 Yards |
| Illegal Formation | When players are lined up in an illegal formation at the time of the snap. | 5, This is referred to as an 'illegal procedure'. |
| Illegal Forward Pass | When a second forward pass occurs following a forward pass, or when the passer is beyond the line of scrimmage at the time of the throw. | 5 Yards |
| Illegal Kick And Kicking Loose Ball | When a player kicks the ball when it is loose or a player kicks the ball when they are not allowed to make contact with the ball. | 5 Yards |
| Illegal Motion | When a player moves or shifts before the ball is snapped in an illegal way. | 5 Yards |
| Illegal Peel Back | When a player blocks an opposing player from the side and below the waist. | 15 Yards |
| Illegal Shift | When a player shifts illegally before the ball is snapped. This is similar to an illegal formation. | 5 Yards |
| Illegal Substitution | When a player is substituted into the game while play is live or interferes with the game. | 10 Yards |
| Illegal Touching of a Forward Pass | When the ball is touched illegally after a forward pass. Only eligible receivers can touch a forward pass before any other member of the offense. | 10 Yards |
| Illegal Use Of Hands | When a player's hands make contact with an opposing player's face-area forcefully during an attempt to make or get around a block. | 10 Yards (offense), 5 Yards Automatic 1st Down (defense) |
| Ineligible Downfield Pass | When a forward pass is completed to an ineligible downfield receiver. An ineligible downfield receiver is any player who did not line up off of the line of scrimmage, such as the offensive guards and tackles. | 5 Yards |
| Intentional Grounding | When the passer intentionally throws the ball incomplete while under pressure from the defense in order to avoid a sack. | 10 Yards, Loss of Down |
| Kick Catch Interference | When a player makes contact with an opposing player who is receiving a kick before the ball becomes live. | 15 Yards |
| Kickoff Out Of Bounds | When the ball lands out of bounds or is caught by a player out of bounds during the kickoff. | 30 Yards |
| Low Block | When a player performs an illegal block that is below the waist of a player on the opposing team. | 10 Yards |
| Neutral Zone Infraction | When a defensive player illegally enters the neutral zone around the line of scrimmage prior to the snap. | 5 Yards |
| Offensive Holding | When an offensive player holds a defensive player illegally. Holding occurs when a player grabs an opposing player by the jersey of the uniform to prevent them from moving in a certain direction. | 10 Yards |
| Offensive Offside | When an offensive player illegally crosses the neutral zone around the line of scrimmage prior to the snap. | 5 Yards |
| Offensive Pass Interference | When an offensive player performs an illegal action against a defensive player to prevent a pass from being defended properly, such as pushing the player. | 10 Yards |
| Offside On Free Kick | When a player is offside during a free kick or kickoff. | 5 Yards |
| Player Out Of Bounds On Kick | When a player illegally re-enters the playing field after stepping out of bounds on the kickoff. | 5 Yards |
| Running Into The Kicker | When a player makes contact with the kicker's plant leg on a kick or punt. Similar to roughing the kicker. | 5 Yards |
| Taunting | When a player taunts the opposing team or an opposing player. | 15 Yards, Automatic 1st Down |
| Too Many Men On Field | When the team on offense or defense has more than the allowed 11 (12 in the CFL) men on the field. | 10 Yards |
| Tripping | When a player purposely trips an opposing player. | 10 Yards, Automatic 1st Down |
| Unnecessary Roughness | When rough contact is made towards an opposing player when deemed unnecessary. | 15 Yards, Automatic 1st Down |
| Unsportsmanlike Conduct | When a player violates the rule of general sportsmanship. | 15 Yards, Automatic 1st Down |