Thang of V.League 1 side Can Tho made it to the fifth position by footballchannel.asia with 16 goals, setting a new bar in the Vietnamese league as the top local forward.
Nam, competing for SHB Vientiane of Laos following a loan-contract from Hanoi T&T.
Nam, who pocketed 22 goals, ranks second in the list.
Chan Vathanaka of Cambodian Boeung Ket Angkor FC comes first with 37.
His teammate Khoun Laboravy has 19 goals and is third.
The fourth position went to Fazrul Nawaz of Singapore's Warriors FC with 18.