Opinion on/of

[Erika079]

Hi,

Do we say 'what's your opinion on something' or 'what's your opinion of something'


Thanks

[Teia]

Hi,
Do we say 'what's your opinion on something' or 'what's your opinion of something'
Thanks

On is the correct preposition :

e.g.
What is your opinion on this topic?

My opinion on this topic is.....


See you

[Michelle20]

As Teia already said "On" is correct.

[DavyBCN]

I would agree that opinion on is the best - but there is nothing wrong with opinion of, especially when talking about a person.