Reply To: There are 8 different blood types in the world. Which one are you? Activity › Forums › General Discussion › There are 8 different blood types in the world. Which one are you? › Reply To: There are 8 different blood types in the world. Which one are you? August 9, 2014 at 1:14 pm #7609 Kimberly BrownParticipant Thanks for sharing everyone. It is great to hear about what every ones blood types or stories are.