Cross party gay marriage bill due Monday

A cross-party bill to allow same-sex marriage could be introduced to parliament early next week.

A cross-party bill to allow same-sex marriage will be introduced in parliament next week. (AAP)

A cross-party bill to allow same-sex marriage will be introduced and debated in parliament on Monday.

Parliament's selections committee, which determines which private member's business is debated, on Tuesday approved the legislation for introduction.

The bill will be moved by Liberal MP Warren Entsch and supported by Labor, the Greens and independents.