Final answer:
The barbarian from ancient Cimmeria created by Robert E. Howard is Conan the Barbarian, an iconic figure in fantasy literature.
Step-by-step explanation:
The sword-wielding barbarian from ancient Cimmeria created by Robert E. Howard is A) Conan the Barbarian. This character is renowned in the genre of fantasy literature for his epic adventures and has become an iconic figure since his inception. Conan is depicted as a warrior with immense strength, indomitable will, and a keen mind for battle strategy. He has appeared in books, comics, movies, and various other media, cementing his place in the pantheon of fictional heroes.