Secker is a surname. Notable people with the surname include:
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Jayne Secker (born 1972), English journalist and newsreader
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Kathy Secker (1945–2015), British broadcaster
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Martin Secker (1882–1978), London publisher
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Patrick Secker (born 1956), Australian politician
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Thomas Secker (1693–1768), Archbishop of Canterbury
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William Secker (? – c.1681), Church of England clergyman and religious writer
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