Indiana Militia may refer to:
Indiana National Guard, which is Indiana's organized-militia component of the US Army National Guard and Air National Guard Indiana Guard Reserve, which is the official organized militia of the State of Indiana, also known as the State Defense Force Indiana Naval Militia, which is Indiana's currently inactive naval militia Indiana Legion, a historic militia operating during the mid and late 19th century Indiana Rangers, an organized militia operating during the early 19th century
See also Militia (United States), organized and unorganized