Kimmy Olsen is 5' 1".
Kimmy Olsen is not a widely recognized public figure, so there may be some confusion. However, if you're referring to the Olsen twins, Mary-Kate and Ashley Olsen are well-known actresses and fashion designers. If "Kimmy Olsen" is a specific character or lesser-known individual, please provide more context for a more accurate answer.
Kimmy Robertson is 5' 2".
Kimmy Suzuki is 5' 4".
Kensey Olsen is 5'.
Mae Olsen is 5'.
Bradley Olsen is 5' 6".
Giovanni Olsen is 4' 5".
Lena Olsen is 165 cm.
Morgan Olsen is 5' 3".
Moroni Olsen is 6' 3".
Merlin Olsen is 6' 5".
Matthew Clifton Olsen is 6'.