Verses with the word amen in the Apocrypha (4 verses):

1 Esdras 9:47
And all the people answered, Amen; and lifting up their hands they fell to the ground, and worshipped the Lord.

Tobit 8:8
And she said with him, Amen.

Sirach 50:29
For if he do them, he shall be strong to all things: for the light of the Lord leadeth him, who giveth wisdom to the godly. Blessed be the name of the Lord for ever. Amen, Amen.

Prayer of Manassheh 1:1
O Lord, Almighty God of our fathers, Abraham, Isaac, and Jacob, and of their righteous seed;