They were standing outside about 6:20 a.m. when someone inside a vehicle opened fire in the 3500 block of West Walnut Street, Chicago police said.
A 33-year-old woman was shot in the ankle, police said.
One man, 36, was struck in the foot while another, 34, was shot in the chest and leg, police said. A third man, 35, was shot in the leg.
They were all transported to Mount Sinai Hospital, where they were stabilized, police said.
No arrests were made.