Juan Bautista Grazhoffer (1690–1733) was a Jesuit missionary to the Sonoran Desert.
He served briefly at Mission Los Santos Ángeles de Guevavi before his death, possibly by poison.
Grazhoffer was born in Bleiburg, Austria, on June 5, 1690, joined the Society of Jesus on October 27, 1710, and made his final vows in Chomutov, Bohemia on February 2, 1728.
[1] Philipp Segesser arrived at Guevavi in the spring of 1733, and on May 1 he wrote to report that Grazhoffer was in serious condition.
Grazhoffer died on May 26th; Segesser accused the natives of poisoning him, and reported that an elderly Pima man admitted to having done so.