My list is quite eclectic, convoluted and includes a range of oddball choices, but I am indeed something of a movie buff, apart from a rabid fragrance collector.
First, here is a list of films which would ALL easily take the number ones spot, since they are and will remain absolute favorites of mine:
La Dolce Vita,
Velvet Goldmine,
Que la bete meure,
Les biches,
Ten days wonder,
Pola X,
Citizen Kane,
Scarface,
Casino,
Women in Love,
The Wall,
City of God,
Modern Times,
8 femmes,
The Life and Death of Peter Sellers,
A Clockwork Orange,
The Godafther,
Divina Creatura,
Repentance,
8 1/2,
8 1/2 Women,
Henry and June,
Die Manns- Ein Jahrhundertroman,
Boulevard du Rhum,
Stavisky,
Stalker,
Amarcord,
Fellini-Roma,
Fellini-Satyricon,
Le Couperet,
Kids,
The Acid House,
Victor/Victoria,
A Woman of Paris,
Gruppo di Famiglia in un Interno,
Eureka,
Senso '45,
Caligula,
L' Eredita Ferramonti,
Drama della gelosia,
Novecento,
La Luna,
The Dreamers,
Mobsters,
I served the King of England,
Star!,
Savage Messiah,
Nettoyage a sec,
Merci Docteur Rey,
ABBA- The Movie,
The Conformist,
Dorian,
Sitcom,
Mosieur Verdoux,
The Cook, the thief, his wife and her lover,
Nightwatching,
Providence,
Once upon a time in America,
Blowup
L'Humanite,
Un amour de Swann,
Touchez pas a la hache,
The Magus
Then, there are also the list of films which did not take up the top spot, but did certainly come close:
2 or 3 things I know about her,
La banquiere,
Muriel or the time of a return,
The baby of Macon,
A question of taste
... and many more