Nathaniel Stephen Appleby (1811–1890) was an Ontario businessman and political figure.
He represented Hastings East in the Legislative Assembly of Ontario as an independent Conservative from 1875 to 1883.
He was born in Tyendinaga, Upper Canada in 1820, the son of Thomas Dorland Appleby, and educated in Belleville, Ontario.
Appleby was reeve for Tyendinaga Township from 1851 to 1870 and warden for Hastings County from 1858 to 1862.
This article about an Ontario Progressive Conservative Party MPP is a stub.