John Brown Cadzow
- Born: 31 Jul 1864, Ovens River nr, Bright, , Victoria, Australia
- Marriage (1): Margaret Miechel in 1891 in Victoria, Australia
- Died: 1929, Mt Margaret, Western Australia at age 65
In 1874 he was attending school in Myrtleford, Victoria, his family having recently moved there from Bright.
When his father died in December 1887 he was a saddler at Tallygaroopna in Victoria.
In 1903 to 1925 he was living in Leonora, Kalgoorlie, WA and working as a saddler.
John married Margaret Miechel, daughter of Philip Miechell and Anna Margaretha Bill, in 1891 in Victoria, Australia. (Margaret Miechel was born in 1865 in Beaufort, Victoria, Australia.)