Tonda (1958 – 23 March 2009) was the oldest orangutan in the United States.

Tonda died on March 23, 2009, at ZooWorld in Panama City Beach, Florida, aged 50.

[1] Tonda, short for Tondaleyo, died in her sleep at the age of 50.

Tonda had represented the oldest registered orangutan in captivity in the United States.

The pair were also the subject of a book, Tonda and TK: Friends.