American Foundation for Urologic Disease
American Urological Association
NIDDK Health Information - Kidney and Urolgic Diseases
The Digital Urology Journal
UrologyHealth.org

Cancer (general)

American Cancer Society (ACS)
Bladder Cancer WebCafe
Cancer Site Finder
National Cancer Institute
 

Erectile Dysfunction

NIDDK Health Information - Erectile Dysfunction

Incontinence

National Association for Continence
Simon Foundation for Incontinence

Interstitial Cystitis

Interstitial Cystitis Association
The Interstitial Cystitis Network

Kidney

American Association of Kidney Patients (AAKP)
Kidney & Urology Foundation of America
National Kidney and Urologic Diseases Information
National Kidney Foundation

Kidney Stones

American Urological Association Foundation, Inc.
Urologystone.com

Prostate

Arnie's Army Battles Prostate Cancer
National Prostate Cancer Coalition
Prostate Cancer Calculator
Prostate Cancer Education Council
Prostate Cancer Foundation
Prostate Cancer Research Foundation of Canada
Prostate Cancer Research Institute
Prostate Health Directory
The Cancer Information Network
The Prostate Centre
US TOO International

Reproductive Health

American Society for Reproductive Medicine (ASRM)
American Urogynecologic Society
RESOLVE

Sexually Transmitted Diseases

American Social Health Association (ASHA)

Testicular Cancer

TC-Cancer.com

Vasectomy

urologychannel

Clinical Trials

ClinicalTrials.gov