"Battle Is the Lord's" is a song performed by Australian Christian pop singer Rebecca St. James featuring American contemporary worship musician Brandon Lake.

St. James co-wrote the song with Heath Balltzglier, Seth Condrey, and Tedd Tjornhom.

[6] "Battle Is the Lord's" debuted on the Christian Airplay chart dated 27 June 2020, at No.

[9] The official lyric video for the "Battle Is the Lord's" was availed by Rebecca St. James on 15 June 2020, to YouTube.

[10] The acoustic performance video of the song was published on St. James' YouTube channel on 1 July 2020.