Jeremy Richard Mould (born 31 July 1949) is an Australian astronomer currently at the Centre for Astrophysics and Supercomputing at Swinburne University of Technology.

Mould's work at Caltech during the early 1980s aimed to determine both the size and the age of the Universe by identifying and calibrating Standard Candles, that is, very bright stars whose Absolute Magnitude can be accurately measured when near the Earth, with more distant examples being identified by their colour, spectrum, or in the case of Cepheid Variables, the period of oscillation of their brightness.

Other important work included the measurement of luminous evolved red giants in star clusters of the Magellanic Clouds, which he did in collaboration with Marc Aaronson.

Mould was on the science team for the WFPC2 camera that helped to restore the Hubble Space Telescope's image quality, correcting spherical aberration in the primary mirror.

During the Summer of 1983, Mould, daCosta and Crawford extended this work to a distance of 2.5 million light years by recording CCD spectrograms of Globular Clusters orbiting the Andromeda Galaxy at the Cassegrain Focus of the Five Meter Hale Telescope at Palomar Mountain Observatory, with the Standard Candle being determined by the expectation that the spectra of each cluster as a whole would be dominated by the spectrum of the brightest star in it.