The Coat of arms of Leeds City Council derives its design from the seventeenth century. In 1662 the Borough of Leeds received a new charter which created the office of mayor, and the arms (the shield alone) seems to date from about this time as they incorporate part of the arms of the first mayor. These arms were recorded at the heraldic visitation of Yorkshire in 1666. By the time that the borough was reformed by the Municipal Corporations Act 1835, silver owls had been added both as crest above the shield, and as supporters on either side. These additions were not authorised, however, and in 1920 application was made by Leeds County Borough Council to the College of Arms to have these additions officially granted. In the following year the grant of crest and supporters was made, with the colouring of the owls altered to "proper", or natural colourings. Gold ducal coronets were added to the supporters for further heraldic difference.^[1]

In 1974, the county borough was abolished by the Local Government Act 1972, becoming part of a much larger Metropolitan District of Leeds. The new Leeds City Council continues to use the arms of its predecessor, but to date no application has been made for the formal transfer of the armorial bearings.