DiCaprio described Goodall, who passed away in October at the age of 91, as an "extraordinary woman" and a "trailblazer" who profoundly impacted the world.
The Oscar-winning actor praised Goodall's unwavering hope and belief that change stems from compassion, inspiring numerous environmentalists, including himself.
He highlighted her pioneering research on chimpanzees in Tanzania and her enduring legacy through the Jane Goodall Institute and the Roots And Shoots programme.
DiCaprio shared personal anecdotes, recalling Goodall's gentle, curious, and witty nature, urging attendees to honour her by continuing her work for the planet.