The following is a list of recurring and minor fictional characters from the American television drama 24. The following events are fictional and portrayed from both an in-universe and out of universe perspective. Furthermore, this list contains minor characters whose story arcs lasted anywhere from one or two episodes to two or three seasons. The list is sorted by when the character made their first appearance on the series; however, many have appeared in subsequent seasons.
The following are terrorists, mercenaries, and minor non-political conspirators whose actions go against those of the protagonists.
The following are minor characters (mostly neutral) not associated with CTU, government, or terrorist/mercenary cells.