"I Know How" is a song written and originally performed by American country music artist Loretta Lynn. It was released as a single in February 1970 via Decca Records.

"I Know How" was recorded at the Bradley's Barn on December 23, 1969. Located in Mount Juliet, Tennessee, the session was produced by renowned country music producer Owen Bradley. Two additional tracks were recorded during this session.

"I Know How" reached number four on the Billboard Hot Country Singles survey in 1970. The song became her seventeenth top ten single on the country chart. Additionally, the song peaked at number thirteen on the Canadian RPM Country Songs chart during this same period. It was included on her studio album, Loretta Lynn Writes 'Em & Sings 'Em (1970).

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