Latham supports banning the burqa in government buildings, banks and airports. Latham was a supporter of same sex marriage. However, in 2017 during the Australian Marriage Law Postal Survey he endorsed the NO vote. Latham began dating his first wife, Gabrielle Gwyther, in 1987, and they married in 1991. They separated in 1997 and divorced in 1999. Latham married his second wife, Janine Lacy, in 2000; they have two sons together. Latham has described himself as a humanist. In a 2004 interview he said "I'm agnostic. I think there's a force, a spiritual world beyond the material. But I'm not in a position to define it, let alone put it into a certain form of religious practice."