Ward Chipman Hazen Grimmer (October 31, 1858 – October 3, 1945)[1] was a lawyer and political figure in New Brunswick, Canada.

He represented Charlotte County in the Legislative Assembly of New Brunswick from 1903 to 1917.

He was born in St. Stephen, New Brunswick, the son of George S. Grimmer and his wife Mary A. Hazen, and was educated at the University of New Brunswick.

Grimmer ran unsuccessfully for a seat in the provincial assembly in 1899 but was elected in 1903, serving until 1917.

Grimmer also served as mayor for St. Stephen and warden for Charlotte County.