Rasmus Erik Dahlin is a Swedish professional ice hockey defenceman and alternate captain for the Buffalo Sabres of the National Hockey League (NHL). Having been referred to as the most talented player available in the 2018 NHL Entry Draft class, Dahlin was selected first overall in the draft by the Sabres.

The 2018 NHL Entry Draft was the 56th NHL Entry Draft. The draft was held on June 22–23, 2018, at the American Airlines Center in Dallas, Texas.