Myrmecia can refer to:
*
''Myrmecia'' (alga), genus of algae associated with lichens
*
''Myrmecia'' (ant), genus of ants called bulldog ants
*
Myrmecia (skin), a kind of deep wart on the human hands or feet
See also
* ''
Copromorpha myrmecias'' or ''C. myrmecias'', a species of moth
*
Myrmeciinae
Myrmeciinae is a subfamily of the Formicidae, ants once found worldwide but now restricted to Australia and New Caledonia. This subfamily is one of several ant subfamilies which possess gamergates, female worker ants which are able to mate an ...
, a subfamily of ant
{{disambiguation, genus