Signalman (disambiguation)
- Signalman, a person who historically gave signals using flags and light.
- Signalman (rank), the military rank
- Signalman (rail), a railwayman who operates the points and signals in a railway signal box
- The Signal-Man, a short story by Charles Dickens
- Signalman (comics), a villain in the Batman comics
- A ranger-like ally in Gekisou Sentai Carranger
- Signal person or signalperson, a construction job in which one directs heavy equipment such as cranes using hand signals and/or voice commands