Vetluzhsky ({{lang-ru|Ветлужский}}; masculine), Vetluzhskaya ({{lang|ru|Ветлужская}}; feminine), or Vetluzhskoye ({{lang|ru|Ветлужское}}; neuter) is the name of several urban localities in Russia:

• Vetluzhsky, Kostroma Oblast, an urban-type settlement under the administrative jurisdiction of the town of oblast significance of Sharya, Kostroma Oblast
• Vetluzhsky, Nizhny Novgorod Oblast, a work settlement in Krasnobakovsky District of Nizhny Novgorod Oblast

• Gastrografin
• Gastro-intestinal
• Gastrointestinal agents
• Gastrointestinal diseases
• Gastrointestinal disorder
• Gastrointestinal disorders
• Gastrointestinal dysmotility
• Gastrointestinal flora
• Gastrointestinal haemorrhage
• Gastrointestinal hormone
• Gastrointestinal hormones
• Gastrointestinal Nursing
• Gastrointestinal pathology
• Gastrointestinal physiology
• Gastrointestinal series
• Gastrointestinal stromal tumour
• Gastrointestinal tract disorders
• Gastrolienal ligament
• Gastrolobium
• Gastrolobium bilobum
• Gastrolobium celsianum
• Gastrolobium grandiflorum
• Gastrolobium lehmannii
• Gastrolobium melanopetalum
• Gastrolobium praemorsum