Protus speciosus 
Prowling Jumper 
Psalmopoeus ecclesiasticus 
Psecas viridipurpureus 
Psenuc courti 
Pseudeuophrys lanigera 
Ptocasius weyersi 
Puerto Rican Pinktoe Tarantula 
Purple Pinktoe Tarantula 
Purseweb spider 
Pystira ephippigera 
Rabid Wolf Spider 
Raft spider 
Rainbowia imperator 
Red and black Spider 
Red and Silver Dewdrop Spider 
Red House Spider 
Red Nail Gall Mite 
Red tent spider 
Red-backed jumping spider 
Red-bellied Jumping Spider 
Red-bellied Long-jawed Spider 
Red-headed mouse spider 
Red-legged golden orb-weaver spider