A Hen Party or a Bachelorette Party is the female version of a stag party. Women in the UK, Canada, Australia, and Ireland call their Bachelorette Party a Hen Party. A hen party is also referred to as a hen do, hen night, or weekend. It is a celebration of the last days as a single and the upcoming marriage of the bride-to-be. A hen party, commonly planned by the maid of honor, typically involves heading to a fun destination, several activities, and girls' night outs.

Some of the most popular Hen Party activities are: