"I'm Gonna Miss Her (The Fishin' Song)" is a song co-written and recorded by American country music artist Brad Paisley. It was released in February 2002 as the third single from his album Part II. The song reached the top of the Billboard Hot Country Songs chart (then known as the Hot Country Singles & Tracks chart) that year, becoming the third number-one hit of Paisley's career. Paisley wrote this song with Frank Rogers.

While still a student at Belmont University in Nashville, Tennessee in the early 1990s, Brad Paisley had been asked to participate in a student concert. Having primarily sung ballads at that point in his career, he decided to add a novelty song to his repertoire. Frank Rogers, a fellow student who would eventually become Paisley's record producer, agreed, suggesting that they should "write something that will make them laugh", and the two then began to write the song. Their collaboration resulted in "I'm Gonna Miss Her (The Fishin' Song)", a moderate up-tempo, centralizing on a male character whose lover has threatened to leave him if he goes fishing instead of staying home with her. Having chosen to go fishing instead, the character then states that he will "miss her when [he gets] home".

When Paisley performed the song at the student concert, he received a positive reaction from the audience members, who began to laugh and cheer once he reached the first chorus. After signing to his recording contract with Arista Nashville in 1999, Paisley planned to place the song on his debut album Who Needs Pictures. Although the label had wanted him to do so, Rogers thought that the "song was better for a more established artist".

Although Garth Brooks, George Strait, and Alan Jackson had all shown interest in recording the song, Paisley kept it to himself after the success of his Who Needs Pictures album. He then recorded "I'm Gonna Miss Her" for his Part II album, and the song was released as that album's third single, despite Paisley's initial reluctance, as he had thought that the concept of a male choosing fishing over love might be offensive to female listeners.

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