Ven. Ariyadhammika (born Björn Selic on May 8, 1976) is an Austrian Thera (Elder) Buddhist monk.

Ordained on 2005, maintaining a very simple lifestyle and living most parts of the year out in the open, under trees. He dedicated himself to the practice of Ānāpānassati (mindfulness of breathing), and later on also to other meditation methods. After five years at Pa-Auk, he went to seek out other teachers in Myanmar and was initiated into the meditation techniques of Mogok, Mahasi, Shwe Oo Min/U Tejaniya and Sunlun.

A growing interest in the lifestyle of the Thai Forest Tradition brought him to Thailand in the year 2010, where he stayed for the next 3 years. He spent the initial period in the north-east of After five years in Burma, three years in Thailand, two years in Malaysia and three years in Sri Lanka, Ven. Ariyadhammika felt that his original intention to explore the three main Theravāda countries (for their respective meditation methods and monastic cultures) was accomplished.

In 2018, for the first time after all his ventures since his 5th vassa in 2009, Ven. Ariyadhammika said he eventually felt ready to settle long term and would make himself available for taking up a formal position which is dedicated to offer support and guidance to fellow monastics.