'''Derleth''' is a German surname. Notable people with this surname include: * Andreas Derleth, German-New Zealand winner of Mr Gay New Zealand * August Derleth (1909–1971), American writer and anthologist * Ludwig Derleth (1870–1948), German writer * Robert Derleth (1922–2012), American footballer
{{surname|Derleth}}
Category:German-language surnames