Bernard le Bovier de Fontenelle (1657–1757), a French writer

Wulfram of Sens, also known as Wulfram of Fontenelle or Saint Wulfram

Fontenelle Abbey, in Normandy, France

Logan Fontenelle Housing Project in Omaha

Fontenelle, Côte-d'Or, in the Côte-d'Or département

Fontenelle-en-Brie, in the Aisne département

Fontenelle (crater), a crater on the moon

Fontenelle-Montby, in the Doubs département

Fontenelle, Wyoming, a census-designated place in the US state of Wyoming

Fontenelle, Territoire-de-Belfort, in the Territoire de Belfort département

fontanelle, a soft spot in a baby's skull

Fontenelle's Post in Nebraska Territory

Logan Fontenelle Middle School in Bellevue, Nebraska

Fontenelle Boulevard in Omaha

Guy Eder de Fontenelle, (16th Century) of the house of Beaumanoir, one of the partisans of the Catholic League

Logan Fontenelle, a chief of the Omaha Tribe