張永森，BBS，MH，JP（英文：Ambrose Cheung Wing-sum，1951年1月10日—），香港律師，係香港深水埗區議會美孚北選區區議員同埋係深水埗區議會主席。由1982年一直做深水埗區議員到依家。
Cheung Wing-sum, BBS, MH, JP (English: Ambrose Cheung Wing-sum, born 10 January 1951) is a solicitor in Hong Kong, a member of the Mei Foo North Constituency of the Sham Shui Po District Council and the Chairman of the Sham Shui Po District Council. Since 1982, he has been a Sham Shui Po District Councillor.