A contribution is made to the rust fungus flora of Pakistan with Uromyces dactylidis, U. graminicola and U. peglerae var. peglerae reported as new records for the country. New observations on previously known species are also noted. The spermogonia (0) of Aecidium clematidis and A. montanum, spermogonia (0) and aecia (1) of Puccinia prenanthis var. himalensis are described for the first time. Phragmidium rosae-moschatae on Rosa webbiana var. microphylla, Puccinia levis var. panici-sanguinalis on Digitaria radicosa, P. conclusa on Cyperus iria, and Uromyces setariae-italicae on Setaria viridis are new hosts for rust fungi in Pakistan.