Trela

Trela is a surname of Polish origin which derives from trel – an area in the forest where felled timber is located or trill. Notable people with the name include:
 * Dariusz Trela (born 1989), Polish soccer player
 * Elżbieta Trela-Mazur (born 1947), Polish historian
 * Jerzy Trela (1942–2022), Polish actor
 * Stanisław Trela (1892–1950), Polish architect