Calle Järnkrok, nicknamed "Ironhook", is a Swedish professional ice hockey player for the Toronto Maple Leafs of the National Hockey League (NHL). Järnkrok was drafted 51st overall by the Detroit Red Wings in the 2010 NHL Entry Draft.

The 2010 NHL Entry Draft was the 48th NHL Entry Draft, held on June 25–26, 2010 at Staples Center in Los Angeles, California, home arena of the Los Angeles Kings. This was the first time Los Angeles hosted the NHL Entry Draft. An unofficial record of eleven American-trained players were selected in the first round, starting with Jack Campbell and ending with Brock Nelson. The record was set in the 2006 and 2007 drafts, where ten U.S.-trained players were selected in the first round.