As-Suwaidi (as-Suwaydi, al-Suwaidi, etc.; ) is an Arabic nisbat derived from suwayd (an Arabic name derived from a root s-w-d "black", or from the Arabic name of Sweden).

People As-Suwaydi (physician), a medieval physician (d. 1292) Muhammad Sa'id al-Suwaidi (1728 – 1808), Iraqi Muslim polymath Tawfiq al-Suwaidi (1892 – 1968), Iraqi politician Naji al-Suwaidi (1882 – 1942), Iraqi politician Khalid Habash al-Suwaidi (born 1984), a Qatari athlete a nisba referencing the Syrian as-Suwayda Governorate a nisba meaning "from Sweden" used as nom de guerre (kunya) by a number of Islamic terrorists from or based in Sweden, see Islam in Sweden

Places As-Suwaidi (Riyadh), a district of Riyadh Province, Saudi Arabia. Bayt As Suwaydi, Yemen

See also Suwayd (disambiguation)