Ilija Jovanovic (Serbian Cyrillic: ????? ?????????, 1878–1913), known as Vojvoda Pcinjski, and by his nom de guerre Caslav, was a Chetnik commander active between 1904 and 1912, and a member of the Black Hand.
He was schooled in Vranje, Paracin, Kragujevac.
He was among the first Chetniks on the Kozjak together with commanders Jovan Dovezenski, Krsta Preševski, Spasa Garda, Ðorde Skopljance, Rista Staracki and Vandel Skopljance.
Vojvoda Pcinjski was the chief of one of the board of the Chetnik organization.
He went from a battle to another until he was wounded in 1912.
He died in the Belgrade Military Hospital, at the time when the Serbian Army liberated Bitola and broke out on the Adriatic.