Four new species of cheyletoid mites (Acari: Cheyletoidea) are described from birds in Canada: Harpyrhynchoides vulgaris sp. nov. (Harpirhynchidae) from Purple Finch, Carpodacus purpureus (Passeriformes: Fringillidae) and American Redstart, Setophaga ruticilla (Passeriformes: Parulidae); Syringophilopsis porzanae sp. nov. (Syringophilidae) from Sora, Porzana carolina (Gruiformes: Rallidae); Syringophilopsis tyrrani sp. nov. from Eastern Kingbird, Tyrranus tyrranus (Passeriformes: Tyrranidae); Niglarobia skorackii sp. nov. (Syringophilidae) from Greater Yellowlegs, Tringa melanoleuca (Charadriiformes: Scolopacidae). Harpyrhynchoides zumpti Fain, 1972 is recorded from Dark-eyed Junco, Junco hyemalis (Passeriformes: Emberizidae), for the first time. A key to species for females of the genus Syringophilopsis and a table of their associated hosts are provided.