Reticulum is a star constellation

Reticulum may also refer to:

Endoplasmic reticulum, an organelle of eukaryotes Anastomotic reticulum, a type of complex computer network Reticulum (anatomy), part of a ruminant's stomach Reticulum II, a dwarf galaxy

See also Reticular (disambiguation) Reticulate venation Reticuloendothelial system