- DIK stands for Dera Ismail Khan (Pakistani city)
- DIK stands for Design Is Kinky (est. 1998; Sydney, Australia)
- DIK stands for Donations in Kind (Rotary Clubs)
- DIK stands for Data, Information and Knowledge (informatics)
- DIK stands for Dokumentation Information Kultur (Nacka, Sweden)
- DIK stands for Delta Iota Kappa
- DIK stands for Designed in Kaos (band)
- DIK stands for Desert Island Keeper
- DIK stands for Drielanden-Ingenieurs-Kontact (Dutch: Drielanden Contact Engineers)
- DIK stands for Kawamura’s Discomfort Index (climate)
- DIK stands for Direct Input Keys (computer programming)
DIK