No, but there seems to be a game of telephone going on because a lot of people think that. But Samus is 6 feet 3 inches (Source: page 18, http://melaniff.com/melaniff/nintendo_files/Nintendo_Players_Guide_Super_Metroid_1994.pdf) while Doomguy is 6 feet 8 inches (Source: https://hypernia.com/doom/how-tall-is-slayer/)

But these are fictional characters and the stated heights may not be accurately portrayed in all video game and media appearances, similar to Godzilla's size inconsistency. So just go with whatever your headcanon says and it's fine.

RPG Male and Female Armor be like: