Delta1 Chamaeleontis is a close double star located in the constellation Chamaeleon. Its name is a Bayer designation that is Latinized from δ1 Chamaeleontis, and abbreviated Delta1 Cha or δ1 Cha. They have a combined apparent visual magnitude of 5.47, which is just bright enough to be faintly visible to the naked eye as a point of light on a dark rural night. With an annual parallax shift of 9.36 mas, it is located around 350 light-years (110 pc) 350 light years from the Sun.

This pair is one of two stars named Delta Chamaeleontis, the other being the slightly brighter Delta2 Chamaeleontis located about 6 arcminutes away. Delta Chamaeleontis forms the southernmost component of the constellation's "dipper" or bowl. Together with Gamma Chamaeleontis, they point to a spot that is within 2° of the south celestial pole.

The two components of Delta1 Chamaeleontis have visual magnitudes of 6.3 and 6.5. As of 2000, the pair had an angular separation of 0.783 arcseconds along a position angle of 83.8°. They can be visually separated using a 7.9 in (20 cm) aperture telescope. The pair is a source of X-ray emission with a flux of 27.4×10−17 W/m2. The stellar classification of Delta1 Chamaeleontis is K0 III, which matches an evolved K-type giant star.