James H. Ostrander was a farmer from Waterloo, Wisconsin who served a single term as a member of the Wisconsin State Assembly from a Jefferson County district comprising the Towns of Waterloo, Milford, Lake Mills and Oakland.
Ostrander came to what was then Aztalan township in the Wisconsin Territory in 1842, settling in Section 18.
He helped organize Waterloo as a separate town in 1845 or 1846, and served as its first superintendent of schools.
He was assigned to the standing committee on internal improvements.
This article about a member of the Wisconsin State Assembly is a stub.