Blender 4.4.0
Unity 6.1 (6000.1.8f1)
Specific settings must be configured for both Blender and Unity for Unity to have proper rotation.
Step 1) Blender Export -> FBX settings must match the image below.  
(Don’t forget to Apply All Transformation on model before exporting)
Step 2) After importing the FBX into Unity, Check the “Model” tab inside the imported file’s Inspector.  Check “Bake Axis Conversion” and hit Apply.








