Peguero is a Spanish surname. Notable people with this surname include:

• Arismendy Peguero (born 1980), Dominican sprinter
• Carlos Peguero (born 1987), Dominican baseball left fielder in Major League Baseball
• Francisco Peguero (born 1988), Dominican baseball outfielder
• Jailen Peguero (born 1981), Dominican baseball relief pitcher
• Julio Peguero (born 1968), Dominican retired baseball outfielder
• Olivia Peguero (born 20th century), Dominican artist
• Peguero Jean Philippe (also known as Jean Philippe Peguero; born 1981), Haitian footballer

• Glutamate dehydrogenase (nadp+)
• Glutamate dehydrogenase (NAD(P)+)
• Glutamate excitotoxicity
• Glutamate formimidoyltransferase
• Glutamate formiminotransferase
• Glutamate-induced neurotoxicity
• Glutamate metabolism
• Glutamate neurotoxicity
• Glutamate plasma membrane transport proteins
• Glutamate racemase
• Glutamate receptor
• Glutamate receptors
• Glutamatergic system
• Glutamateric
• Glutamate synthase (ferredoxin)
• Glutamate synthase (NADH)
• Glutamate synthase (NADPH)
• Glutamate toxicity
• Glutamate transporter
• Glutamate–cysteine ligase
• Glutamate—ammonia ligase
• Glutamate—ethylamine ligase
• Glutamate—methylamine ligase
• Glutamate—putrescine ligase
• Glutamate—tRNA(Gln) ligase