Tajiri (written: 田尻 lit. "end of a field") is a Japanese surname. Notable people with the surname include:

• Satoshi Tajiri, creator of Pokémon
• Shinkichi Tajiri, Japanese-American artist and photographer
• Yoshihiro Tajiri, professional wrestler
• Yūji Tajiri, Japanese director

• 2d Bombardment Wing
• 2d CEB
• 2-D (character)
• 2d computer graphics
• 2d Division Marines
• 2 December 2005 Canberra storms
• 2-dehydro-3-deoxy-6-phosphogalactonate aldolase
• 2-dehydro-3-deoxy-D-gluconate 5-dehydrogenase
• 2-dehydro-3-deoxy-D-gluconate 6-dehydrogenase
• 2-dehydro-3-deoxy-D-pentonate aldolase
• 2-dehydro-3-deoxyglucarate aldolase
• 2-dehydro-3-deoxy-L-arabinonate dehydratase
• 2-dehydro-3-deoxy-L-pentonate aldolase
• 2-dehydro-3-deoxy-phosphogluconate aldolase
• 2-dehydropantoate 2-reductase
• 2-dehydropantoate aldolase
• 2-dehydropantolactone reductase (A-specific)
• 2-dehydropantolactone reductase (B-specific)
• 2-Deoxyadenosine
• 2'-Deoxyadenosine
• 2-deoxy-D-deoxyglucose
• 2-deoxy-D-gluconate 3-dehydrogenase
• 2-Deoxy-D-glucose
• 2-deoxy-D-glucose
• 2-deoxyglucose