.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}You can help expand this article with text translated from the corresponding article in French. (March 2018) Click [show] for important translation instructions. View a machine-translated version of the French article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 6,022 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing French Wikipedia article at [[:fr:Bertrand Ier de Forcalquier]]; see its history for attribution. You should also add the template ((Translated|fr|Bertrand Ier de Forcalquier)) to the talk page. For more guidance, see Wikipedia:Translation.

Bertrand I of Forcalquier (c. 1104 – 1150) was Count of Forcalquier from 1129 to 1144. He was the second son of William III and Gersende of Albon.

He married Josserande de Flotte, daughter of Arnould de Flotte and Adelaide de Comps. Their sons, Bertrand and William, were counts of Forcalquier.