arborist

250px|thumb|An arborist using a chainsaw to cut a [[eucalyptus tree in a public park]] alt=Arborists in Ontario|thumb|Two arborists climbing and dismantling a Norway Maple in Ontario, Canada An arborist, or (less commonly) arboriculturist, is a professional in the practice of arboriculture, which is the cultivation, management, and study of individual trees, shrubs, vines, and other perennial woody plants in dendrology and horticulture.

Arborists generally focus on the health and safety of individual plants and trees, rather than managing forests or harvesting wood (silviculture or forestry). An arborist's scope of work is therefore distinct from that of either a forester or a logger.