Events from the year 1800 in Scotland.

• 1 January – Robert Owen becomes manager of the New Lanark spinning mills.^[2]
• 15 February – "Meal mob" riot over bread prices in Glasgow.^[3]
• 30 June – Glasgow Police Act authorises creation of the City of Glasgow Police, which first musters on 15 November.
• August – the 93rd (Sutherland Highlanders) Regiment of Foot is first mustered by William Wemyss at Strathnaver; in September they are sent from Fort George via Aberdeen to Guernsey and in October formally gazetted into the British Army.
• Royal Cornhill Hospital established as Aberdeen Lunatic Asylum.
• Legbrannock Waggonway opened by William Dixon (senior) to move coal from Legbrannock colliery on the Woodhall Estate to the Monkland Canal at Calderbank, an early example of a railway in Scotland.^[4]
• New bridges built at Thurso and Wick^[5] and Sir John Sinclair plans development of Thurso.
• Approximate date
  • Planned village and pier at Inchyra in the Carse of Gowrie built.^[6]
  • Preston Hall, Midlothian, completed.

• 12 January – Duncan McLaren, Liberal politician (died 1886)
• 23 February – William Jardine, naturalist (died 1874 on the Isle of Wight)
• 10 April (bapt.) – George Moir, lawyer (died 1870)
• 16 April – William Chambers, publisher (died 1883)
• 17 April – Catherine Sinclair, novelist (died 1864 in London)
• 22 April – Ralph Robb, Free Church minister in Canada (died 1850 in Canada)
• 26 April – Elizabeth Sinclair, born Eliza McHutcheson, pioneer in Pacific colonies (died 1892 in Hawaii)
• 4 May – John McLeod Campbell, Reformed theologian (died 1872)
• 11 July – Charles Lees, portrait painter (died 1880)
• 3 September – James Braidwood, firefighter (killed firefighting 1861 in London)
• 14 October – Charles Neaves, judge and poet (died 1876)
• 24 October – Alexander Gibson, surgeon and forest conservator in India (died 1867)
• Leitch Ritchie, writer (died 1865 in London)

• 30 January – William Forsyth, merchant (born 1722)
• 16 March – David Doig, educator and writer (born 1719)^[7]
• 8 April – James Stuart-Mackenzie, politician and astronomer (born c.1719)
• 27 December – Hugh Blair, Presbyterian preacher and man of letters (born 1718)
• 30 December – Duke Gordon, librarian (born 1739)

• 14 June – Friedrich Schiller's historical drama Mary Stuart has its première in Weimar.
• 27 November – Walter Scott's first original poems, "Glenfinlas" and "The Eve of St. John", are published.
• The Works of Robert Burns is published posthumously.^[8]

• 1800 in Great Britain