Union (Horse with Two Discs) is a bronze sculpture by Christopher Le Brun, made in 1999–2000 in an edition of three large casts. It depicts a horse standing square on four legs, flanked on either side by a large disc. The sculpture measures 469 cm × 255 cm × 158 cm (185 in × 100 in × 62 in). One cast has been displayed on the highwalk at London Wall, beside the entrance to the Museum of London, since 2005. A second cast is held in a private collection, but it has been exhibited in the gardens of Schloss Wendlinghausen [de] at Dörentrup, in Germany. The third and final cast is displayed at the New Art Centre, at Roche Court in Wiltshire.

• Christopher Le Brun PRA, New Art Centre
• Installations, Christopher Le Brun
• London Public Art: Union – Horse with Two Discs, Ian Visits
• Museum of London, London Wall EC2, Ornamental Passions
• Christopher Le Brun: The Distance, Friedman Benda