Ḥarsūsī (Arabic: لغة حرسوسية), natively known as Ḥersīyet (pronunciation in Harsusi: [ħʌrsiːjət]), is a Semitic language of Oman, spoken by the Harasis people. It is classified as a moribund language, with an estimated 600-1000 speakers in Jiddat al-Harasis, a stony desert in south-central Oman. It is closely related to Mehri.