"Pepper Keibu" (ペッパー警部, Peppā Keibu, lit. Inspector Pepper) the debut single by the Japanese hit duo Pink Lady. The single was released on August 25, 1976, under the Victor label. The single reached a peak chart position of number four, with a total of 1,050,000 sales. The titular song won the duo the "rookie award" at the 18th Japan Record Awards. The original recording did not have the signature "Pepper Keibu yo" at the end, as the live performances did. Subsequent recordings and covers do, however, include the line. A number of reissues have been made, including 8 cm and 12 cm CD versions.

According to Oricon this was the 14th best selling single from 1977.

A re-recorded version of the song was included on the 2-disc greatest hits release, Innovation, released in December 2010.

A cover of "Pepper Keibu" was released by the idol pop group Morning Musume as a single on September 24, 2008 under the Zetima label to promote their upcoming ninth album, Cover You, a tribute to producer Yū Aku. The Single V DVD of the single was released on October 22, 2008. The single was their first cover single since "Morning Musume no Hyokkori Hyōtanjima" more than five-and-a-half years before. The single peaked at #3 on the Oricon weekly chart, charting for six weeks. The single was released in three editions, a limited A coming with a DVD, a limited B comes in special packaging with a 40-page photo booklet and a regular edition.Tanaka Reina and Michishige Sayumi are the only members to receive solo lines in Pepper Keibu.

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