Meslier is originally a French surname, and can refer to the following:
*''People:''
** Jean Meslier (1664–1729), Catholic priest who was discovered after his death to have written a ''Testament'' attacking religion.
** Illan Meslier (born 2000), French football goalkeeper who plays for Leeds United F.C., Leeds United.
*''Places:''
**Meslières, a village and commune in the Doubs département of eastern France.
*'Wine grapes'
** Petit Meslier, a French variety of white wine grape
** Meslier (grape), another name for the Loire Valley grape Meslier-Saint-François
** Meslier vert, another name for Peurion, a traditional French variety of white wine grape
** Meslier is also a synonym for the grapes Roublot and Luglienga
*''Other:''
** Asteroid 7062 is named after Jean Meslier, see Meanings of asteroid names (7001-7500).
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