AHL-i-vər (English)
[key]submitted by RHAWK3935, with the note: This name may be exclusive to dogs, and cats, in the very future.
O-li-vehr (Swedish, Norwegian, Danish, Czech, Slovak)
[key]submitted by RHAWK3935
AW-li-və (English)
[key]submitted by RHAWK3935, with the note: British pronunciation of Oliver