Not to be confused with the Institute for Astronomy of the University of Edinburgh School of Physics and Astronomy. For other astronomy institutes with similar names, see: Institute of Astronomy.

The Institute for Astronomy (IfA) is a research unit within the University of Hawaii system, led by Günther Hasinger as Director. IfA main headquarters are located at 2680 Woodlawn Drive in Honolulu, Hawaii, , on the University of Hawaii at Manoa campus. Additional facilities are located at Pukalani, Maui and Hilo on Hawaii island (the Big Island). IfA employs over 150 astronomers and support staff. IfA astronomers perform research into solar system objects, stars, galaxies and cosmology.