The phrase "a very funny interview" is correct and usable in written English.
You can use it to describe an interview that is humorous or entertaining in nature.
Example: "I just watched a very funny interview with the comedian, and I couldn't stop laughing."
Alternatives: "an extremely amusing interview" or "a hilarious interview".
There is a very funny interview showing Scorsese and his editor Thelma Schoonmaker watching the film now, with a touch of bemusement.
I did a very funny interview with him recently and he had this to say about the creature he'll be riding today.
I also saw, in Fortune, a very funny interview with Ted Turner, Ted Turnerr at 75: A Q&A". Turner is still a lot more entertaining than the current generation of corporate suits and Internet moguls.
Years ago, when I was writing freelance interviews for The New York Times, I was severely depressed when I read a very funny interview with Elaine May in the Arts & Leisure section.
SatireWire posts a very funny interview with Jeeves, of Ask Jeeves.
Hebron recalls an on-stage interview she did with Boyle a couple of years ago at Queen Mary, University of London, in east London, close to where Boyle lives: "He did his customarily great and very funny interview, and then there was a university reception afterwards – the sort of thing you might not expect someone like him stick around for.
It was very funny interviewing Paul because he's always lived in the East End of London and we were in that pub on Columbia Road that used to be a gay pub when I lived round there, the Royal Oak, it's now quite smart.
In a very funny sequence, Nikki is interviewed on TV by a flamboyant show-biz gossip columnist (played by Dern's real-life mother, Diane Ladd).
Rarely seen, it will be presented at the Museum of Television and Radio along with the Murrow interview and a very funny 1956 "I Love Lucy" episode with Welles as guest star.
(There's a very funny passage in the biography about what she wore to her Vogue interview, which I encourage you to look up — page 139).
"He's a very funny guy and a very nice guy, and a talented player too," Li said during an interview.
