Sure. As far as I know, corn is only used in the US, for fairly obvious reasons. Where I'm from it's made from carb-rich waste and sidestreams from various sources. Of course, the yields do pale in comparison to the corn megaindustry of the US, which produces more fuel ethanol than the rest of the world combined.
Sugar cane is good, and used quite successfully in Brazil, but of course only grows in sub/tropical climates. Sugar beet is used in Europe to some extent, as well as staple crops like wheat and rye – not sure how they compare to corn.
There is potatoes. In WW2 the potato production in Nazi Germany basically determined the launch rate of the V2 rocket, which used Ethanol derived from potatoes as fuel.
Sugar cane is good, and used quite successfully in Brazil, but of course only grows in sub/tropical climates. Sugar beet is used in Europe to some extent, as well as staple crops like wheat and rye – not sure how they compare to corn.
https://en.wikipedia.org/wiki/Ethanol_fuel