Is it ok to have Genioplasty after having Rhinoplasty? Will having it after Rhinoplasty change the look of my new nose? (photo)

A  genioplasty and a rhinoplasty will both have an effect on the profile of your facial features. Performing a genioplasty will only help with facial balance by augmenting the chin, not changing the  nose. For many examples, please see the link below

Osseous Sliding Genioplasty is a great technique for enhancing the profile of your lower face.  I believe that this would be a suitable surgical option for you.  The surgery does not have a direct effect on the nose, however it can create more harmony to the mid and lower face.  There should be no problem with doing this in a second stage procedure.  Many patients perform the two together as the combined procedure may cost less when performed in the same OR setting, while some prefer to separate the procedures. 

Any form of chin augmentation (bone movement or implant) will have an impact on one's facial profile. This effect is not changed whether it is a sliding genioplasty or implant augmentation. (unless the degree of change between the two is different) You can confirm what those changes will be in your nose by computer imaging beforehand. Usually it is a complementary effect not a detrimental one. As an aside, you can have the dimple in your chin simultaneously corrected with your sliding genioplasty from the inside the mouth incision.