Other
- Ridley (Metroid), a recurring antagonist from the Metroid video game series
- Ridley Silverlake, the female protagonist in the PS2 game Radiata Stories
- Ridley Corporation Limited and its subsidiaries including:
- Ridley AgriProducts
- Ridley Inc., manufacturer and marketer of livestock products
- Ridley (bicycles), a Belgian bicycle brand
Read more about this topic: Ridley