IHWC is the acronym for the Ice Hockey World Championships, an annual international men's ice hockey tournament organized by the International Ice Hockey Federation (IIHF).

IHWC may also refer to:

• FIRS Inline Hockey World Championships, an annual international inline hockey tournament organized by the Fédération Internationale de Roller Sports (FIRS)
• IIHF Inline Hockey World Championship, an annual international inline hockey tournament organized by the International Ice Hockey Federation (IIHF)
• Indoor Hockey World Cup, an annual international indoor field hockey tournament organized by the International Hockey Federation (FIH)

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