The following ships were sunk, foundered, grounded, or otherwise lost during October 1866.
1 October
2 October
3 October
4 October
5 October
6 October
7 October
8 October
9 October
10 October
11 October
12 October
13 October
15 October
16 October
17 October
18 October
19 October
20 October
21 October
22 October
23 October
24 October
25 October
26 October
27 October
28 October
29 October
30 October
31 October
Unknown date
References Notes
Bibliography Ingram, C. W. N., and Wheatley, P. O., (1936) Shipwrecks: New Zealand disasters 1795–1936. Dunedin, NZ: Dunedin Book Publishing Association.