Tomasz Pacyński (4 February 1958 – 30 May 2005) was a Polish fantasy and science fiction writer, born in Warsaw.
He was one of the creators and, from 2004, the chief editor of Fahrenheit, the first Polish Internet science fiction fanzine.
He published short stories in such magazines as Science Fiction, SFera, and Fantasy, and in Internet fanzines such as Fahrenheit, Esensja, Fantazin and Srebrny Glob.
He made his debut as a fantasy writer with his 2001 novel Sherwood, based on the Robin Hood legend.
His humorous stories about Ded Moroz were published in 2005 in Linia ognia (Line of Fire) collection.