Pilumnus is a genus of crabs, containing the following species:

Pilumnus acanthosoma Ng, 2000

Pilumnus acer Rathbun, 1923

Pilumnus acutifrons Rathbun, 1906

Pilumnus aestuarii Nardo, 1869

Pilumnus affinis Brito Capello, 1875

Pilumnus alcocki Borradaile, 1902

Pilumnus annamensis Takeda & Miyake, 1968

Pilumnus australis Whitelegge, 1900

Pilumnus balssi Takeda & Miyake, 1972

Pilumnus bleekeri Miers, 1880

Pilumnus braueri Balss, 1933

Pilumnus caerulescens A. Milne-Edwards, 1873

Pilumnus capillatus Ng, Dai & Yang, 1997

Pilumnus caribaeus Desbonne in Desbonne & Schramm, 1867

Pilumnus ceylonicus Deb, 1987

Pilumnus chani Ng & Ho, 2003

Pilumnus comatus Ng, Dai & Yang, 1997

Pilumnus contrarius Rathbun, 1923

Pilumnus cursor A. Milne-Edwards, 1873

Pilumnus danai Stimpson, 1907

Pilumnus dasypodus Kingsley, 1879

Pilumnus deflexus A. Milne-Edwards, 1867

Pilumnus depressus Stimpson, 1871

Pilumnus digitalis Rathbun, 1923

Pilumnus diomedeae Rathbun, 1894

Pilumnus dofleini Balss, 1933

Pilumnus elegans de Man, 1888

Pilumnus etheridgei Rathbun, 1923

Pilumnus eudaemoneus Nobili, 1905

Pilumnus fernandezi Garth, 1973

Pilumnus fissifrons Stimpson, 1858

Pilumnus floridanus Stimpson, 1871

Pilumnus gemmatus Stimpson, 1860

Pilumnus gonzalensis Rathbun, 1894

Pilumnus gracilipes A. Milne-Edwards, 1880

Pilumnus granti Montgomery, 1931

Pilumnus guinotae Takeda & Miyake, 1968

Pilumnus habei Takeda & Miyake, 1972

Pilumnus haswelli de Man, 1888

Pilumnus (crab)