"Walk on By" is a song written by Kendall Hayes and performed by American country music artist Leroy Van Dyke. It was released in June 1961 as the first single and title track from the album Walk On By. The song was Van Dyke's most successful single, spending 37 weeks on the country chart and a record-breaking 19 at the number-one position. "Walk on By" crossed over to the pop chart peaking at number five, and was named by Billboard magazine as the biggest country music record in history.

The 19-week run of "Walk On By" is a record that stood for 51 years until "Cruise" by Florida Georgia Line reached its 19th week at No. 1 on July 20, 2013; the following week, "Cruise" surpassed the standard when it recorded its 20th week at No. 1. Until Florida Georgia Line surpassed it in total weeks at No. 1, "Walk On By" held the record for most weeks at No. 1 since the introduction of the all-encompassing Hot Country Songs (then called Hot C&W Sides) chart in October 1958; the all-time record for most weeks at No. 1 (21 weeks) is held jointly by three songs: "I'll Hold You In My Heart (Till I Can Hold You In My Arms)" by Eddy Arnold (1947); "I'm Movin' On" by Hank Snow (1950); and "In the Jailhouse Now" by Webb Pierce (1955).

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