Lü Fan (died 228), courtesy name Ziheng, was an official serving under the warlord Sun Quan in the late Eastern Han Dynasty and early Three Kingdoms period.Lü Fan was from Runan Commandery in Yang Province. He was married to a woman of the Liu clan. He first served Yuan Shu, but later changed allegiance to Sun Ce. He was integral to the military progress of Wu and contributed much to the state's welfare until his death in 228.Lü Fan began his career as a minor official in the service of Yuan Shu. It was there that he met Sun Ce, one of Yuan Shu's young generals. They became close friends, and Lü Fan participated in all of Sun Ce's battles under Yuan Shu from then on. Wikipedia