Frans Theodor Hedberg (2 March 1828 – 8 June 1908) was a Swedish playwright and poet.

He is also known by his pseudonyms: Esbern Snare, Palle Block, and Paul Qvitt.

After growing up in an orphanage he tried various professions, including that of actor and wig-maker, before he set seriously to work as a playwright in 1854.

His works include comedies, tragedies, adaptations, translations, vaudevilles, and poems.

He also wrote Svenska skådespelare: karakteristiker och porträtter (Swedish Actors: Characteristics and Portraits, 1884) and Svenska operasångare: karakteristiker och porträtter (Swedish Opera Singers: Characteristics and Portraits, 1885) as well as other works dealing with theater subjects.