A yogi is a practitioner of Yoga, including a sannyasin or practitioner of meditation in Indian religions. The feminine form, sometimes used in English, is yogini.
Bronze figure of a yogi in Dhyana (meditation) by Malvina Hoffman
A 10th-century Yogini statue from Tamil Nadu, India. She is seated in an asana, and her eyes are closed in meditative state.
Shiva in the form of Adiyogi (or first yogi) in Coimbatore, India
A sculpture of Gorakhnath, a celebrated yogi of Nath tradition and a major proponent of Hatha yoga.
Dhyāna in Hinduism means meditation and contemplation. Dhyana is taken up in Yoga practices, and is a means to samadhi and the realization of purusha, the centerless self.
A Brahmana meditating (1851)
Swami Vivekananda in meditating yogic posture.
A Hindu along river Ganges in Varanasi, in yoga asana meditation