The 2010 Lamar Hunt U.S. Open Cup Final was played on October 5, 2010, at Qwest Field (since renamed CenturyLink Field) in Seattle, Washington. The match determined the winner of the 2010 Lamar Hunt U.S. Open Cup, a tournament open to amateur and professional soccer teams affiliated with the United States Soccer Federation. This was the 97th edition of the oldest competition in United States soccer. Seattle Sounders FC won the match, defeating the Columbus Crew 2–1 in front of a sellout crowd of 31,311, the highest attendance at a U.S. Open Cup final. Kevin Burns scored first, giving the Columbus Crew an early lead. Sanna Nyassi then scored both goals for Seattle Sounders FC as it became the first team since 1983 to win two consecutive U.S. Open Cup championships.

Both the Columbus Crew and Seattle Sounders FC qualified automatically for the third round of the U.S. Open Cup tournament by finishing among the top six in the 2009 Major League Soccer season standings. Both clubs won three matches in the tournament to advance to the final. Seattle won the bidding process to host the final.

As a result of its U.S. Open Cup championship, Sounders FC earned a berth in the preliminary round of the 2011–12 CONCACAF Champions League, as well as a $100,000 cash prize. The Crew received the runner-up prize of $50,000.

The U.S. Open Cup is an annual American soccer competition open to all United States Soccer Federation affiliated teams, from amateur adult club teams to the professional clubs of Major League Soccer (MLS). The 2010 tournament was the 97th edition of the oldest soccer tournament in the United States.

In 2010, MLS, which has teams that play in both the United States and Canada, was allowed to enter eight of its U.S.-based teams in the tournament. The top six MLS teams from the previous season's league table qualified automatically for the tournament, while the remaining two spots are determined by preliminary qualification matches. The eight MLS entries began play in the third round of the tournament. In 2009, both Seattle Sounders FC and the Columbus Crew finished among the top six teams in MLS overall league standings and therefore qualified automatically for the third round of the 2010 U.S. Open Cup.

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