Eupheme also Jupiter LX, originally known as S/2003 J 3, is an outer natural satellite of Jupiter, 2 km in diameter.
It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003. It was named in 2019 after Eupheme, the ancient Greek spirit of words of good omen, praise, acclaims, shouts of triumph, and applause, the daughter of Hephaestus and Aglaea and granddaughter of Zeus.