Jolly Telamonia 
Jovial Jumping Spider 
Kankuamo marquezi 
Kerengga ant-like jumper 
Kidney garden spider 
Kiekie antioquia 
Knobbled Orbweaver 
Knobbled Orbweaver 
Knobbly crab spider 
Ladybird mimic spider 
Larinioides suspicax 
Latrodectus menavodi 
Lavenderi's Marsh Spider 
Lawn Wolf Spider 
Leaf curling araneid 
Leaf-curling Spider 
Lean lynx spider 
Leaping Northern Jumping Spider 
Leek-green flower spider 
Lehtinelagia multopunctata 
Leopard Bear-Spider 
Leptopholcus borneensis 
Leucage granulata 
Leucauge argentina