Isaac Erb Bowman (17 August 1832 – 3 September 1897) was an Ontario businessman and political figure.

He represented Waterloo North in the House of Commons of Canada as a Liberal member from 1867 to 1878 and from 1887 to 1896.

[1] He was born Isaac Erb Baumann in Woolwich Township in Upper Canada in 1832,[1] the son of John B.

[2] Bowman was a partner in a business that sold books in Berlin (later known as Kitchener) and in a tannery in St.

[4] His son Charles Martin Bowman later became a member of the Legislative Assembly of Ontario.