Caleb Tyndale Okauchi Otto (May 19, 1943, in Peleliu – October 28, 2018[1][2]) was a Palauan physician who served as a member of the Senate of Palau.
He received a Bachelor of Science degree at the University of Washington in 1970.
Otto represented Palau in the World Health Organization (WHO) from 1995 to 2003.
[3] He unsuccessfully ran for Governor of Peleliu in the December 2009 election against incumbent governor Kangichi Uchau who was his cousin.
[4] From 3 September 2013, he served as the Permanent Representative of Palau to the United Nations.