Āpastamvi (Apastamvi) is one of the ṛṣivaṁśas (rishivamsas; hereditary or disciple-wise cults of the sages), belonging to the gotra (clan) of Maharṣi (Maharshi; great sage) Bhṛgu (Bhrigu). From the name of Bhṛgu, they are also known as Bhārgava(Bhargava).