al-Akhḍar (literally, the green) in Wadi Samad (22°50'37"N, 58°10'39"E, 577 m altitude) is an archaeological site in Mudhaibi Wilayat Sharqiyah, in Central Oman.
This cemetery was inhabited from the Umm an-Nar to the Samad Late Iron Age and during Islamic times.