Below is a list of some of the other notable Ancient Roman deities. This is by no means a complete list as there were many different deities with many different functions, and many minor ones whom we do not know much about or weren't widely worshipped. So, below is just a small selection from that very large pool.

Abundantia: Personification of abundance and prosperity

Acis: God of the Acis river in Sicily

Aesculapius: God of health and medicine

Angerona: A Goddess who could relieve people of pain and sorrow

Aurora: Goddess of the dawn

Bacchus: God of wine and sensual pleasure

Bellona: A war Goddess

Caca: A fire Goddess

Caelus: The God of the sky before Jupiter

Carmenta: Goddess of childbirth, and of prophecy

Clementia: Goddess of mercy and forgiveness

Concordia: Goddess of harmony and agreement

Cupid: God of love, son of Venus

Discordia: Personification of discord and strife

Fauna: Goddess of prophecy

Flora: Goddess of flowers

Fontus: A God of wells and springs

Fortuna: Goddess of fortune

Janus: A two headed God of beginnings and endings

Justitia: Goddess of justice

Juturna: A Goddess of fountains, wells, and springs

Juventas: Goddess of youth

Latona: Goddess of light

Luna: Goddess of the Moon

Mithras: God of battle, wealth, and masculinity

Nox: Goddess of the night

Proserpina: Goddess of grain and the dead

Salacia: Goddess of the sea

Sancus: God of truth, honesty, and loyalty

Silvanus: God of woods and forests

Sol: A sun God

Vulcan: God of fire and forging