Dilling may refer to:
- Dilling people, an ethnic group of Sudan
- Dilling language, language spoken by the Dilling people, part of the Nubian branch of the Nilo-Saharan family
- Dalang, Sudan, a city in Sudan
- Dilling, a village in Østfold, Norway
People with the surname Dilling include:
- Walter James Dilling (1886–1950), Scottish pharmacologist
- Elizabeth Dilling (1894–1966), American activist and writer in the 1930s and 1940s
- Jim Dilling (born 1985), American high jumper