Ployer may refer to:
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Barbara Ployer (1765–1811), an Austrian piano and composition pupil of Mozart for whom he composed two piano concertos
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Ployer Peter Hill
Ployer Peter Hill (October 24, 1894 – October 30, 1935), known as "Pete" or "Peter", was a pilot and an officer with a varied career, but is best known for his abilities as a test pilot. In an aviation career that spanned eighteen years, Hill ...
(1894-1935), US Army Air Corps test pilot
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