Rahim Fahimuddin Dagar (2 February 1927 – 27 July 2011) was an exponent of Dagar vani Dhrupad of Indian classical music. He represented the 19th generation of Dagar Tradition. He and his brothers Nasir Moinuddin Dagar and Nasir Aminuddin Dagar were known as the Senior Dagar Brothers. Similarly, Nasir Zahiruddin and Nasir Faiyazuddin Dagar were known as the Junior Dagar Brothers. His other brothers were Zia Mohiuddin Dagar, Fariduddin Dagar, and Hussain Sayeeduddin Dagar.
Ustad Rahim Fahimuddin Khan Dagar is known not only for the power and spontaneity of his alaap, but also for his rich repertoire of compositions, some of which are believed to date back to the 12th and 13th centuries.As he likes to put it about Dhrupad, "In the words of my ancestor Shat Shastri Baba Behram Khan Dagar, Dhrupad, as presented within our Dagar bani, is ‘ragatmak-swaratmak, shabdatmak-varnatmak, talatmak-layatmak and rasatmak. The singer has to portray its kalatmak, vidyatmak and adhyatmak aspects to do proper justice to it."