YWCA Blue Triangle Residence Hall is a historic YWCA residence hall located at Indianapolis, Indiana. It was designed by the architecture firm Rubush & Hunter and built in 1924. It is a five-story, "L"-plan, Classical Revival style steel frame building clad in red brick. It has a raised brick faced foundation and central entrance with a carved limestone surround.
It was listed on the National Register of Historic Places in 1988.