Lat: 8.2°S, Long: 120.8°W, Diam: 63 km, Depth: km, Rükl: (farside), Imbrian
- TSI = 35, CPI = 5, FI = 20; MI =60 Smith and Hartnell, 1973
Titus Lucretius Carus; Roman scientific philosopher (c. 94-55 B.C.).
- Lucretius was among the long list of farside names approved by the IAU in 1970 and published in Menzel, 1971.
- In the planning for Apollo 8, the first manned circumlunar mission (1968), this crater (which did not then have an official name) was referred to informally as"Williams", a name that should properly have been used for a completely different nearside crater (source: Phil Stooke's LPOD).