The list of shipwrecks in March 1821 includes ships sunk, wrecked or otherwise lost during March 1821.
1 March
2 March
3 March
4 March
6 March
7 March
8 March
9 March
10 March
11 March
12 March
14 March
15 March
18 March
19 March
20 March
21 March
22 March
23 March
24 March
25 March
26 March
27 March
28 March
31 March
Unknown date
References