Toby David Godfrey Ord is an Australian philosopher. In 2009 he founded Giving What We Can, an international society whose members pledge to donate at least 10% of their income to effective charities, and is a key figure in the effective altruism movement, which promotes using reason and evidence to help the lives of others as much as possible.

Giving What We Can (GWWC) is an effective altruism-associated organisation whose members pledge to give at least 10% of their income to effective charities. It was founded at Oxford University in 2009 by the philosopher Toby Ord, physician-in-training Bernadette Young, and fellow philosopher William MacAskill.