Grass spider may refer to:

• genus Agelena, the Eurasian grass spiders

• 

  genus Agelenopsis, the American grass spiders

• genus Oxytate, the (green) grass crab spiders
• genus Runcinia, the (brown) grass crab spiders
• species Argiope catenulata, the grass cross spider
• species Florinda coccinea, the red grass spider