Piotr Adamczyk (born March 21, 1972 in Warsaw) is a Polish actor.

He portrayed Karol Wojtyła, who later became Pope John Paul II, in the movie Karol: A Man Who Became Pope and its sequel Karol: The Pope, The Man.

From his early childhood he knew he wanted to become an actor. He attended the Machulski youth theatre group in Warsaw. Thanks to an international scholarship, he was able to attend international theatre workshops in the UK and Germany. He continued his acting education by attending the Theatre Academy in Warsaw. During his second academic year, he won a scholarship from the Soros Foundation which allowed him to attend the British American Drama Academy for one year, where he performed Hamlet for his diploma.

Once he graduated from the Theatre Academy, he was hired by the Teatr Współczesny in Warsaw. His career in the film industry however grew much more intensively. His role of Stawrogin in Fyodor Dostoyevsky’s The Possessed started Piotr’s long list of roles. The breakthrough in his career was his part as Frédéric Chopin in the film "Chopin - Desire of Love" - and became a Polish star.