The Indianapolis Blues were a baseball team in the National League for one season (1878), in which they finished fifth in the six-team league with a 24–36 record. They were managed by outfielder/first baseman/catcher John Clapp, and played their home games at South Street Park. They had been brought into the League from the League Alliance following their 1877 season.
Their top-hitting regular was right fielder Orator Shafer, who batted .338 with a slugging percentage of .455. Their most successful pitcher was The Only Nolan (13–22, 2.57), but had two other starters with better ERAs: Jim McCormick (5–8, 1.69) and Tom Healey (6–4, 2.22).