- Y-Cof DM
- Yasmin
- Yaz
- Yeast-X External
- Yeast-X Int
- Yellow Fever, Live Attenuated
- Yervoy
- Yescarta
- YF-Vax
- Yiero-Gota
- Yieronia
- Yinchiao Fast Relief Flu
- Yobine
- Yocon
- Yodoxin
- Yohimar
- Yohimbine
- Yohimex
- Yoman
- Yondelis
- Yonsa
- Yosprala
- Yovital
- YSP Aspirin
- yttrium (90Y) citrate colloid
- yttrium (90Y) ferrihydroxide colloid
- yttrium (90Y) silicate colloid
- Yupelri
- Yutopar