Trimeresurus stejnegeri chenbihuii, commonly known as the Chen's bamboo pitviper,[3] is a subspecies of venomous pitviper in the family Viperidae.

[4] The subspecies is endemic to Hainan Island in China.

The specific name, chenbihuii, is in honor of Professor Bi-Hui Chen of Anhui Normal University, who is a Chinese herpetologist.

[3] T. s. chenbihuii is found in China on Hainan Island on Mount Diaoluo at 225–290 m (738–951 ft) elevation (Lingshui County), and on Wuzhi Mountain at 500 m (1,600 ft) elevation (Qiongzhong County).

The type locality given is "Diaoluo Shan, Lingshui Co., Hainan Prov., China; altitude about 250 m [820 ft]".