Would liposuction flatten my stomach? (Photo)

Based on your photo alone liposuction alone would yes remove the fat however it would leave you with loose skin. I would recommend a tummy tuck. Consult with a board certified plastic surgeon. Regards 

This type of stomach requires a tummy tuck and liposuction to get a real full body contouring result. Liposuction alone will not give you the results you are looking for because you already have loose skin.  Please see an expert.  Best, Dr. Emer.

It would appear that you are a reasonable candidate for liposuction. Here is some helpful information about Lipostuction: If you have excessive subcutaneous fat, which is resistant to diet and exercise.If you wish to change the contours of your body. Commonly involved areas are the anterior part of the neck (under the chin), upper arms and armpits, male chest/breasts, trunk abdomen, waist, hips, thighs, inner knees, calves, and ankles.Most patients are near normal weight and desire permanent contour changes. Patients with average weight, localized fat collections, and healthy elastic skin are the best candidates for liposuction. Obesity, cellulite, or loose, sagging, and inelastic skin are several conditions which may tend towards less desirable results. In fact, these problems may be worsened by liposuction. Unfortunately, many individuals performing liposuction are not trained in other techniques of body contouring and may not have the experience to recognize that a different procedure (such as a tummy tuck) may provide a better result for the patient. Suction Assisted Lipectomy (SAL) may be used in conjunction with other body contouring procedures, such as breast reduction, tummy tuck, thigh lift, or facelift.