Typha /ˈtaɪfə/ is a genus of about 30 species of monocotyledonous flowering plants in the family Typhaceae.

The genus is largely distributed in the Northern Hemisphere, where it is found in a variety of wetland habitats.

These plants have many common names. They may be known in British English as bulrush, or reedmace, in American English as cattail, punks, or corn dog grass, in Australia as cumbungi or bulrush, in Canada as bulrush or cattail, in New Zealand as raupō, and, worldwide, as water sausage. Other taxa of plants may be known as bulrush, including some sedges in Scirpus and related genera.