A connection terminal includes: a terminal fitting; an insulating covering member attachable and detachable from one end in a virtual axis direction of the terminal fitting along the virtual axis direction; and a locking structure undetachably locking the covering member to the terminal fitting. The covering member includes two covering portions sandwiching and covering, in a direction orthogonal to the virtual axis direction, covering target portions at opposite ends of the terminal fitting, the covering target portions are areas capable of being finger-touch prevention targets, the locking structure includes, for each of combinations of the covering target portions and the covering portions, a locking protrusion provided in one of the covering target portion and the covering portion, and a locking groove provided in the other of the covering target portion and the covering portion and configured to lock the locking protrusion.