The Grinnell Historic Commercial District is a nationally recognized historic district located in Grinnell, Iowa, United States.

It was listed on the National Register of Historic Places in 1991.

They destroyed the frame buildings, and were replaced with brick and stone structures, although Block 7 developed more slowly.

The district contains a number of buildings that were designed by prominent architects.

They include Foster and Liebbe (Spencer Building, 1884; Seaman Building, 1889), Hallett & Rawson (Spaulding Block, 1899; Armory, 1906; Spaulding-Spurgeon Building, 1906), Josselyn and Todd (Cass and Works Building, 1889; Mclntosh Grocery, 1889; Morse Block, 1889; The Scott Building, 1889; Vest Brothers Building, 1889; Beyer Building, 1892), Proudfoot, Bird & Rawson (Benevolent and Protective Order of the Elks, 1914; Grinnell Herald, 1916), Louis Sullivan (Merchants' National Bank, 1914), and Hyland & Green (Grinnell State Bank, 1913/1914) and F.E.