Julu may refer to:

• Julu Commandery (鉅鹿郡), within present-day Xingtai Prefecture, Hebei
• Julu County (Han Dynasty) (鉅鹿縣), now Pingxiang County, Xingtai, Hebei
• Julu (ancient town) (巨鹿), now in Pingxiang County, Xingtai, Hebei
  • Battle of Julu
• Julu (modern town) (巨鹿镇), in Julu County, Xingtai, Hebei
• Julu County (巨鹿县), a present-day county in Xingtai, Hebei

• Conus ione
• Conus janowskyae
• Conus jaspideus
• Conus jaspideus pealii
• Conus jaspideus pfluegeri
• Conus jeanmartini
• Conus joliveti
• Conus judaeus
• Conus kimioi
• Conus kohni
• Conus lani
• Conus lenhilli
• Conus lentiginosus
• Conus leonardi
• Conus levistimpsoni
• Conus lienardis
• Conus lizarum
• Conus longilineus
• Conus longurionis
• Conus loyaltiensis
• Conus madecassinus
• Conus mahogani
• Conus mappa
• Conus marielae
• Conus marileeae