First stage or First Stage may refer to:
- First Stage Children's Theater, a professional American children's theater based in Milwaukee, Wisconsin
- First stage (rocketry), the first stage of a multistage rocket
- the first reading of a bill in the parliament of Ireland
- the high pressure regulator of a diving regulator
This disambiguation page lists articles associated with the title First stage.
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If an internal link led you here, you may wish to change the link to point directly to the intended article.