Big W (or BIG W) may refer to one of two unrelated retail operations:

• Big W, an Australian chain of discount stores owned by Woolworths Limited (an Australian company)
• Big W, a now-defunct British chain of large-format stores owned by Woolworths Group (a British company)

It may also refer to:

• the "big W", a significant location in the film It's a Mad, Mad, Mad, Mad World
• The logo used for Warner Communications

This disambiguation page lists articles associated with the title Big W.
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