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By Pamela Redmond · Jul 2026

RAYN

Rein

OriginVariation of Reign or Rain; English word name
Meaning"royal authority; water falling in drops condensed from vapor in the atmosphere"
GenderGirl
Also a boy's nameShow me Rein as a boy's name
NB Rank#8796

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About Rein

The name Rein peaked for girls at #7560 in 2023. Rein is occasionally used for boys in 2025.

Rein on more lists

4 Letter Girl Names
Names Ending in N for Girls
One Syllable Names for Girls
Names That Mean Water
Names That Mean Royal

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