Guglielmi (surname)
Guglielmi is an Italian surname that may refer to
- Gary Guglielmi, Australian speedway hider
- Louis Guglielmi, Spanish-born French musician
- Marco Guglielmi, Italian actor, screenwriter and author
- Massimo Guglielmi, Italian lightweight rower
- Noel Gugliemi, American actor
- O. Louis Guglielmi, American artist
- Pietro Carlo Guglielmi, Italian opera composer
- Ralph Guglielmi, American football quarterback
- Rodolfo Alfonso Raffaello Piero Filiberto Guglielmi, known as Rudolph Valentino, Italian actor based in the US
