Tibetan Buddhism is a form of Buddhism practiced in Tibet and Mongolia. It also has a sizable number of adherents in the areas surrounding the Himalayas, including the Indian regions of Ladakh, Sikkim, and Arunachal Pradesh, as well as Bhutan and Nepal. Smaller groups of practitioners can be found in Central Asia, Xinjiang, Inner Mongolia, and some regions of Russia, such as Tuva, Buryatia, and Kalmykia.

The Gelug is the newest of the four major schools of Tibetan Buddhism. It was founded by Je Tsongkhapa (1357–1419), a Tibetan philosopher, tantric yogi and lama and further expanded and developed by his disciples.

Chögyam Trungpa was a Tibetan Buddhist meditation master and holder of both the Kagyu and Nyingma lineages of Tibetan Buddhism, the 11th of the Trungpa tülkus, a tertön, supreme abbot of the Surmang monasteries, scholar, teacher, poet, artist, and originator of a radical re-presentation of Tibetan Buddhist teachings and the myth of Shambhala as an enlightened society that was later called Shambhala Buddhism.

Tashi Paljor, Dilgo Khyentse Rinpoche was a Vajrayana master, scholar, poet, teacher, and recognized by Buddhists as one of the greatest realized masters. Head of the Nyingma school of Tibetan Buddhism from 1988 to 1991, he is also considered an eminent proponent of the Rime tradition.

The Rimé movement is a movement or tendency in Tibetan Buddhism which promotes non-sectarianism and universalism. Teachers from all branches of Tibetan Buddhism – Sakya, Kagyu, Nyingma, Jonang, Gelug, and Bon – have been involved in the promoting Rimé ideals.

The Foundation for the Preservation of the Mahayana Tradition (FPMT) was founded in 1975 by Lamas Thubten Yeshe and Thubten Zopa Rinpoche, who began teaching Mahayana Buddhism to Western students in Nepal. The FPMT has grown to encompass over 160 dharma centers, projects, and services in 37 countries. Since the death of Lama Yeshe in 1984, the FPMT's spiritual director has been Lama Zopa Rinpoche.

Sogyal Rinpoche was a Tibetan Dzogchen lama. He was recognized as the incarnation of a Tibetan master and visionary saint of the 19th century, Tertön Sogyal Lerab Lingpa. Sogyal Rinpoche was the founder and former spiritual director of Rigpa — an international network of over 100 Buddhist centres and groups in 23 countries around the world — and the author of the best-selling book The Tibetan Book of Living and Dying, which has been printed in 30 languages and 56 countries. Before his retirement, in the wake of abuse allegations in 2017, he had been teaching for 40 years in Europe, America, Asia and Australia.

Kyabje Dudjom Jigdral Yeshe Dorje was known as Terchen Drodül Lingpa and as Dudjom Rinpoche. He is considered by many Tibetan Buddhists to be from a line of important Tulku lineage, and a renowned Tertön. Per lineage, he was a direct incarnation of both Padmasambhava and Dudjom Lingpa (1835–1904). He was a Nyingma householder, yogi, and a Vajrayana and Dzogchen master. According to his disciple Khenpo Tsewang Dongyal, he was revered as "His Holiness" and as a "Master of Masters".

Lobsang Tenzin, better known by the titles Professor Venerable Samdhong Rinpoche and to Tibetans as the 5th Samdhong Rinpoche, is a Tibetan Buddhist monk and politician who served as the Prime Minister of the cabinet of the Central Tibetan Administration, the Tibetan government-in-exile based in Dharamshala, India.

Khenpo Sherab Sangpo

Thubten Chodron, born Cheryl Greene, is an American Tibetan Buddhist nun, author, teacher, and the founder and abbess of Sravasti Abbey, the only Tibetan Buddhist training monastery for Western nuns and monks in the United States. Chodron is a central figure in the reinstatement of the Bhikshuni ordination of women. She is a student of the 14th Dalai Lama, Tsenzhab Serkong Rinpoche, Lama Thubten Yeshe, Thubten Zopa Rinpoche, and other Tibetan masters. She has published many books on Buddhist philosophy and meditation, and is co-authoring with the Dalai Lama a multi-volume series of teachings on the Buddhist path, The Library of Wisdom and Compassion.

In Tibetan Buddhism, the Three Jewels and Three Roots are supports in which a Buddhist takes refuge by means of a prayer or recitation at the beginning of the day or of a practice session. The Three Jewels are the first and the Three Roots are the second set of three Tibetan Buddhist refuge formulations, the Outer, Inner and Secret forms of the Three Jewels. The 'Outer' form is the 'Triple Gem', (Sanskrit:triratna), the 'Inner' is the Three Roots and the 'Secret' form is the 'Three Bodies' or trikāya of a Buddha.

Khenchen Palden Sherab Rinpoche, also known as "Khen Rinpoche," was a teacher, a scholar, a lama, and a Dzogchen master in the Nyingma school of Tibetan Buddhism. He was considered by Penor Rinpoche to be one of the most learned living Nyingma scholars. Palden Sherab founded the Orgyen Samye Chokhor Ling Nunnery, the first nunnery in Deer Park (Sarnath).

Tenzin is a Tibetan given name, meaning "the holder of Buddha Dharma". Tenzin can alternatively be spelled as Tenzing and Stanzin as well. Stanzin is generally used by the Ladakhi people, since Ladakhi language retains many archaic forms which have been lost in other modern Tibetan languages. For example, in Standard Written Tibetan, 'Tenzin' is spelled as "bstan'zin"; however, when it is spoken, both the 'b' and the 's' are silent and 'an' becomes 'en' in Standard Lhasa Tibetan. It may refer to any of the following people:

The Third Trijang Rinpoche, Lobsang Yeshe Tenzin Gyatso (1901–1981) was a Gelugpa Lama and a direct disciple of Pabongkhapa Déchen Nyingpo. He succeeded Ling Rinpoche as the junior tutor of the 14th Dalai Lama when the Dalai Lama was nineteen years old. He was also a lama of many Gelug lamas who taught in the West including Zong Rinpoche, Geshe Rabten, Lama Yeshe and Lama Zopa Rinpoche. Trijang Rinpoche's oral teachings were recorded by Zimey Rinpoche in a book called the Yellow Book.

(Kyabje) Choden Rinpoche was a contemporary yogi-scholar of the Gelugpa school of Tibetan Buddhism and a reincarnation ('sprul-sku') of the Choden lineage, the historical abbots of Rabten Monastery (Tibetan: རབ་བརྟེན་དགོན་པ, Wylie: in Rong-bo district, Kham.