Västerås BK30 is a sports club in Västerås, Sweden, established on 29 November 1929 as a merger of IK City and IK Sture and named after 1930, the year it joined the Swedish Sports Confederation. The club nowadays mostly runs soccer, earlier bandy, handball, ice hockey, table tennis and track and field athletics.
The soccer activity has mostly used Ringvallens IP as a home ground. In 1969, a women's soccer team was established, which played in the Swedish top division in 1994.
Until the mid 1980s, bandy was a major sport. The club played in the Swedish top division in 1932 and 1936.