Matteo Aloisio Niedhammer y Yaeckle OFMCap (September 11, 1901 - June 25, 1970) was a Capuchin friar and a bishop of the Roman Catholic Church.

Born in New York City, New York, United States, Niedhammer y Yaeckle was ordained to the priesthood on June 8, 1927. On May 11, 1943, he was appointed titular bishop of Caloe and bishop of the Vicariate Apostolic of Bluefields, Nicaragua and was ordained bishop on June 29, 1943. He died in 1970 while still in office.^[1]

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