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Starship is literally contracted by NASA to land people on the Moon.

https://en.wikipedia.org/wiki/Starship_HLS

I knew about lunar use, and distances for lunar trip are much shorter than distances for Martian one. Somehow I forgot that Musk claims they are going to Mars in Starship - thought it was too small for that, but a good chance of kickstarting the kind of industry you need to build one to take to Mars and back.

Starship is at least 10x bigger than any current NASA plan of sending people to Mars.

For HLS NASA requirement was capability of delivering 2T of cargo to the Moon.

Starship offers 100T or more.

It appears to be designed to go from lunar orbit to the surface - not to take people to lunar orbit?

Edit: I was referring to the Starship HLS variant linked to

This is lunar lander variant. They just adopted Starship to the NASA requirements.

Starship is first and foremost designed to deliver people and/or 100T of cargo to Mars.

In theory it can do both. However, it is not yet crew-certified.

SpaceX builds Mars Starship in their private capacity, so they don't have to certify it with NASA.

It most likely never will be according to criteria from commercial crew program, because it does not have and will not have an escape system.

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