IGUAL f. 1937
EQUIPOISE (USA) - , by

IGUAPE (BRZ) c. 1964
QUEBEC (BRZ) - CAMBRAIA (BRZ), by FORT NAPOLEON (FR)

IGUASSU (BRZ) c. 1944
FORMASTERUS (FR) - RIRI (BRZ), by THERMOGENE (GB)

IGUATEMI (ARG) c. 2003
SLEW GIN FIZZ (USA) - STORM GIRL (ARG), by MOUNTDRAGO (ARG)

IJOLITA (BRZ) f. 1983
KARABAS (GB) - PENUMBRA (BRZ), by MAKI (BRZ)

IL DANZATORE (BRZ) c. 2008
AY CARAMBA (BRZ) - MAMBO DANCE (BRZ), by CANDY STRIPES (USA)

IL MAGO (BRZ) f. 2008
KNOW HEIGHTS (IRE) - CHEZ DAUPHINE (BRZ), by ROUND HILL (BRZ)

ILAWA (BRZ) f. 2003
KNOW HEIGHTS (IRE) - DORIENNE (ARG), by DEREK (BRZ)

ILE DE BOURBON (BRZ) c. 1985
NIJINSKY (CAN) - ROSELIERE (FR), by MISTI (BRZ)

ILE ROUSSE f. 1996
TOKATEE (USA) - CLAIRE LORAINE (---), by PRESENT THE COLORS (USA)