Phasia – rodzaj muchówek z rodziny rączycowatych (Tachinidae).
thumb|250px|Phasia obesa
Wybrane gatunki P. aeneoventris (Williston, 1886) P. africana Sun, 2003 P. albipennis (Brooks, 1945) P. albopunctata (Baranov, 1935) P. aldrichii (Townsend, 1891) P. argentifrons Walker, 1894 P. aurigera (Egger, 1860) P. aurulans Meigen, 1824 P. australiensis Sun, 2003 P. barbifrons (Girschner, 1887) P. bifurca Sun, 2003 P. brachyptera Sun, 2003 P. campbelli (Miller, 1923) P. cana Sun, 2003 P. caudata (Villeneuve, 1932) P. chilensis (Macquart, 1851) P. clavigralla Sun, 2003 P. cylindrata Sun, 2003 P. distincta Sun, 2003 P. diversa (Coquillett, 1897) P. emdeni (Draber-Monko, 1970) P. faceta Sun, 2003 P. fenestrata (Bigot, 1889) P. frontata Sun, 2003 P. furcata Sun, 2003 P. girschneri (Draber-Monko, 1965) P. godfreyi (Draber-Monko, 1964) P. grandis (Coquillett, 1897) P. grazynae (Draber-Monko, 1965) P. hemiptera (Fabricius, 1794) P. hippobosca (Paramonov, 1958) P. indica (Mesnil, 1953) P. japanensis Sun, 2003 P. jeanneli (Mesnil, 1953) P. karczewskii (Draber-Monko, 1965) P. kudoi Sun, 2003 P. latifrons (Paramonov, 1958) P. lauta Sun, 2003 P. lepidofera (Malloch, 1929) P. malaisei Sun, 2003 P. malayana Sun, 2003 P. mathisi Sun, 2003 P. mesnili (Draber-Monko, 1965) P. minima Sun, 2003 P.