Rafat Alameddine and John Bayssari, both 33, are sought over an alleged plot to murder a then-24-year-old rival gang mamber in 2019.
They are both believed to currently be in Lebanon.
They are described as being of Mediterranean or Middle Eastern appearance, 180cm-190cm tall, of solid build, with dark brown hair and possible facial hair.
Anybody with information is urged to contact Crime Stoppers on 1800 333 00.
Anybody who sees them is also urged to not approach them but to call Triple Zero immediately.
