Leca or Lecca of Cătun, also known as Leca of Leurdeni, Leca Rudeanu, Comisul Leca, Aga Leca or Postelnico Leka (? – February or March 1616), was a Wallachian political figure, prominent under Princes Michael the Brave, Radu Șerban, and Radu Mihnea. Originally a Comis, his first major assignments came during Prince Michael's conquest of Transylvania, when he also submitted to, and fought for, the Holy Roman Empire. Leca was a commander of in Michael's battles at Mirăslău (1600) and Guruslău (1601), returning to Wallachia after Michael's assassination.