SS Comet may also refer to one of several commercial passenger steamships:

One passenger steamship, the Roraima, which went missing on April 26, was believed to have been engulfed by ash from a preliminary explosion.

In 1865 she reverted to civilian use as a passenger steamship and regained her name Tasmanian Maid.

Now the Columbia and the Ste. Claire are the largest passenger steamships in the world, officials here say.

She was used a passenger steamship on the Australian coastal runs capable of carrying 225 passengers.

At the time of her construction, she was the largest passenger steamship in the world.

SS Great Britain is a museum ship and former passenger steamship, advanced for her time.

The Isabel, a wooden passenger steamship, ran aground off the point on 28 September 1915.

To their left lay the North River and the passenger steamship docks.

It was a boat train scheduled to connect with passenger steamships to Boston and ran only during the summer months.