Anelosimus dude is a species of spider in the family Theridiidae.

[2] Anelosimus dude ranges in size from 1.80mm to 2.10mm for male total length and from 1.85mm to 2.15mm for female total length.

Coloration is generally grey, but varies greatly.

A. dude may have a skewed sex ratio of approximately 2.6 females to 1 male.

[2] Anelosimus dude is found exclusively in mid-elevation rainforest, most commonly from 1370m to 1515m.