The List of shipwrecks in 1781 includes some ships sunk, wrecked or otherwise lost during 1781.
January 8 January
11 January
22 January
23 January
28 January
30 January
Unknown date
February 2 February
7 February
11 February
12 February
13 February
16 February
22 February
26 February
Unknown date
March 18 March
30 March
Unknown date
April 10 April
11 April
13 April
14 April
21 April
28 April
Unknown date
May 2 May
7 May
17 May
28 May
Unknown date
June 7 June
10 June
Unknown date
July 3 July
21 July
23 July
Unknown date
August 1 August
2 August
5 August
15 August
17 August
21 August
24 August
Unknown date
September 4 September
5 September
9 September
17 September
22 September
27 September
28 September
29 September
Unknown date
October 10 October
11 October
15 October
17 October
18 October
24 October
29 October
Unknown date
November 5 November
6 November
14 November
21 November
28 November
Unknown date
December 1 December
3 December
7 December
17 December
18 December
21 December
22 December
25 December
28 December
30 December
Unknown date
Unknown date
References