Broadway theatre, commonly called simply Broadway, refers to theatrical performances presented in one of the 40 professional theatres with 500 or more seats located in the Theatre District centered along Broadway, and in Lincoln Center, in Manhattan in New York City. Along with London's West End theatre, Broadway theatre is widely considered to represent the highest level of commercial theatre in the English-speaking world.

The Broadway theatre district is a popular tourist attraction in New York. According to The Broadway League, Broadway shows sold approximately $1.037 billion worth of tickets in calendar year 2010, compared to $1.004 billion for 2009.