Sardinian refers to anything related to the Mediterranean island of Sardinia. More specifically it can refer to:
- Sardinians, the ethnographic group indigenous to Sardinia
- History of Sardinia
- Sardinian language
- Sardinian literature
- Music of Sardinia
- Cuisine of Sardinia
- Sarda sheep, a breed sometimes known as the Sardinian sheep
es:Sardo
gl:Sardo
it:Sardo