| Ladji Ladji | |
| Region: | New South Wales, Victoria |
| Ethnicity: | Latjilatji |
| Speakers: | 10 |
| Date: | 2005 |
| Ref: | aiatsis |
| Familycolor: | Australian |
| Fam1: | Pama–Nyungan |
| Fam2: | Kulinic |
| Fam3: | Wemba-Wemba[1] |
| Fam4: | Madhi–Ladji–Wadi |
| Iso3: | llj |
| Glotto: | ladj1234 |
| Aiatsis: | S23 |
| Also Known As: | Ledji-Ledji |
| States: | Australia |
Ladji Ladji (Ledji-Ledji) is a moribund Australian Aboriginal language once widely spoken in New South Wales and Victoria by the Latjilatji (or Ladji Ladji) people.
Ladji Ladji is part of the Kulin branch of the Pama–Nyungan family of languages, which were spoken by the majority of Australian Aborigines before Australia's colonisation by the British Empire.