比德尔 (卡纳达语：Bidar ಬೀದರ್ ) 位于卡纳塔克邦的最北部，接壤安得拉邦和马哈拉施特拉邦。

比德尔从1425年直至1518年曾经是巴赫曼尼苏丹国（泰卢固语：బహుమనీ సామ్రాజ్యము）的首都。1518年以后，巴赫曼尼苏丹国崩溃了，取而代之的是五个独立的小苏丹国，所谓的德干苏丹国，比德尔也成了其中之一的首都。

比德尔苏丹国1619年被比贾布尔苏丹国侵吞了，最后莫卧儿皇帝奥朗则布1686年占领了该地区。从1724年到1948年，比德尔一带成了海得拉巴邦尼扎姆县的一部分。1956年，印度行政区重行按照语言区域定邦界，比德尔市被划入迈索尔邦，后来重命名为卡纳塔克邦。

Bidar is a hill-top city situated on the deccan plateau, in the north-eastern part of Karnataka state in India. It is the headquarters of the Bidar District which shares its border with Maharashtra and Telangana. It is a rapidly urbanizing city which comes under Bidar Metropolitan area. The city is well known for its many places of architectural, historical and religious importance.