Cognomen Petruch (Petruch 
) , in all the world, is a rare last name. The cognomen Petruch is characteristic of Germany, where it is a rare surname, Romania, and Denmark, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Germany, the United States, and Romania. Much less frequently, Petruch is the forename as well as the last name.
Mr, Jorge, Joyce, Julie, Evgue, Horst, Frank, Isaac, Iwona, Monica, Jason, Samuel, Andrew, Carina, Kilian, Pascal, Ramiro, Deanna, George, Joseph, Jolene, Stefan, Jaime, Janet, Linda, Ms, Amy, Jon, Nat, Uli, Stã, Karl, Kurt, Raul, Dave, Jose, John, Marek, Myron, Anton, Paula, Peter, Robko, Ronny, Delia, Grace, Thomas, and Nicole