The equestrian statue of Arthur Wellesley, 1st Duke of Wellington located outside the Royal Exchange, now known as the Gallery of Modern Art, Glasgow, Scotland, is one of Glasgow's most iconic landmarks.

It was sculpted by Italian artist Carlo Marochetti and erected in 1844, thanks to public subscription to mark the successful end in 1815 of the long French Revolutionary Wars and the Napoleonic Wars. Since at least the 1980s it has been traditionally capped with a traffic cone by members of the public. The statue is a Category A listed sculpture.

The statue of the Duke on his favourite horse Copenhagen was sculpted by Italian artist Carlo Marochetti and erected in 1844. The statue is a Category-A listed monument.

In recent times, the statue has become known for being capped with a traffic cone. Adorning the statue with a cone had continued over many years: the act was claimed to represent the humour of the local population and was believed to date back to at least the 1980s.

In 2005, Glasgow City Council and Strathclyde Police took a stance of asking the public not to replace the cone, citing minor damage to the statue and the potential for injury when attempting to place a cone.

In 2011, the Lonely Planet guide included the statue in its list of the "top 10 most bizarre monuments on Earth".

In 2013, Glasgow City Council put forward plans for a £65,000 restoration project, that included a proposal to double the height of its plinth and raise it to more than six feet (1.8 metres) in height to "deter all but the most determined of vandals". Their planning application contained an estimate that the cost of removing traffic cones from the statue was £100 per callout, and that this could amount to £10,000 a year. The plans were withdrawn after widespread public opposition, including an online petition that received over 10,000 signatures. As the council indicated that action against the practice could still be considered, the art-political organization National Collective organised a rally in defence of the cone.

In 2014, in support of the Scottish Independence referendum, the statue was fitted with a "Yes" cone as well as a flag fitted in the statue's stirrup.

The cone was replaced with a gold painted one during the 2012 Olympics as a celebration of Scotland's contribution to the record haul of gold medals won by Team GB. A replica of the statue, complete with cone, appeared at the 2014 Commonwealth Games opening ceremony, and a gold cone was then again placed on the statue to mark the success of the games.

In 2015, Glasgow City Council tested hi-tech CCTV software worth £1.2m, checking to see whether it could automatically detect people putting cones on the statue, which it could.

On Brexit Day (31 January 2020), pro-European supporters placed a cone painted to represent the EU flag on the statue's head.

During the COVID-19 pandemic, the statue was adorned with a cone and a blue surgical mask around the statue's ears to reflect the pandemic and lockdowns in the country.

In March 2022, in support of Ukraine and as a protest against Russia's invasion of it, the statue was fitted with a cone with the colours of the Ukrainian flag.

In June 2023, to promote his exhibition at the Gallery of Modern Art, artist Banksy declared that the statue was his "favourite work of art in the UK". On 21 June, the Scottish climate change campaigning group This Is Rigged placed a cone with their logo on the statue, and invited Banksy to support their cause.

• List of Category A listed buildings in Glasgow
• Public statues in Glasgow
• List of monuments to Arthur Wellesley, 1st Duke of Wellington

• Ward-Jackson, Philip (December 1990), "Carlo Marochetti and the Glasgow Wellington Memorial", The Burlington Magazine, 132 (1053): 851–862, JSTOR 884512

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