Kechi is a city in Sedgwick County, Kansas, United States, and a suburb of Wichita.
Kechi was named for the Kichai people.
In 1887, the Chicago, Kansas and Nebraska Railway built a branch line north-south from Herington through Kechi to Caldwell. It foreclosed in 1891 and was taken over by Chicago, Rock Island and Pacific Railway, which shut down in 1980 and reorganized as Oklahoma, Kansas and Texas Railroad, merged in 1988 with Missouri Pacific Railroad, merged in 1997 with Union Pacific Railroad. Most locals still refer to this railroad as the “Rock Island”.
The first post office in Kechi was established in 1888.