Hemifaveoloolithus is an oogenus of fossil dinosaur egg from the Tiantai basin in Zhejiang Province, China.

In 2011, paleontologists at the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences Wang Qiang, Zhao Zikui, and Wang Xiaolin teamed up with Jiang Yan'gen from the Tiantai Bureau of Land and Resources of Zhejiang Province to report the discovery of several new ootaxa at Tiantai, including Hemifaveoloolithus.

[2] Hemifaveoloolithus fossils are limited to a single incomplete nest with ten preserved eggs.

[1] Like dictyoolithids and other faveoloolithids,[4] its shell is composed of multiple superimposed layers of irregular eggshell units.

[1] H. muyushanensis is also notable for the high density of pores in its eggshell, about 50 per square millimeter,[3] which give its tangential cross-section a honeycomb-like appearance.