鄭進一（1955年6月23日—），本名鄭俊義，係臺灣男藝人、唱作歌手。佢喺臺南縣新營鎮出世。因為唱腔似日本演歌歌手森進一，所以改藝名鄭進一。
Zheng Jinyi ( June 23, 1955- ), whose real name is Zheng Junyi, is a male artist and singer-songwriter in Taiwan. He was born in Xinying Town, Taipei County. Because his singing voice is like Japan singer Mori Jinichi, he changed his stage name to Zheng Jinichi.