Five-spotted Star-web Spider 
Flat Abdomen Crab Spider 
Flattened Bark Spider 
Flinders Banded Huntsman 
Flinders Range scorpion 
Foliage webbing spider 
Forest scorpion 
Fork-palped Harvestman 
Four-spined Spiny Orbweaver 
Four-spot orb-weaver 
Freya decorata 
Frigga crocuta 
Fringed Jumping Spider 
Fringed Ornamental Tarantula 
Frontinellina frutetorum 
Fukasawana Ant-Mimic Spider 
Furrow Orb Spider 
Garden center spider 
Garden cross spider 
Garden Ghost Spider 
Garden jumping spider 
Garden Orbweaving Spider 
Garden Wolf Spider 
Gasteracantha curvispina