Grove Oak is a small unincorporated community in DeKalb County, Alabama, United States.

[1] It is located atop Sand Mountain in northeastern Alabama.

There is a small Masonic lodge and a now-closed junior high school.

Today, farming is not so much the focus, and most working members of the Grove Oak community drive to factories or other jobs in the larger towns nearby.

Limited farming, cattle, and poultry raising takes place in and around the town.