| | Established |
|---|
| ZIZ Festival | 2,019 |
| Bluesland Festival | 2,019 |
| Grossmann Fantasy, Sci-Fi and Comics Festival | 2,019 |
| Translation Pranger Festival | 2,019 |
| Trnovfest Festival | 2,019 |
| Bi Flamenko International Flamenco Festival | 2,018 |
| KAOS Festival of Contemporary Collage | 2,018 |
| Vzkrik Festival | 2,017 |
| FAK Festival of Alternative Culture | 2,017 |
| Flores Musicae Festival | 2,017 |
| Topographies of Sound Festival | 2,017 |
| Minoriti Summer Open Air Cinema | 2,017 |
| Fantasy Literature Festival Fanfest | 2,017 |
| Kinotrip | 2,016 |
| Indigo Festival | 2,016 |
| Shots International Short Film Festival | 2,016 |
| Kranjska Gora International Film Festival | 2,016 |
| Festival of Photography Maribor | 2,016 |
| City of Books Festival | 2,016 |
| Creative Jazz Clinic Velenje | 2,016 |
| Celje FOKUS Festival | 2,015 |
| MENT Ljubljana | 2,015 |
| Urbano Dejanje | 2,015 |
| FeKK Ljubljana Short Film Festival | 2,015 |
| October Jazz | 2,015 |
| Grounded Festival | 2,015 |
| House of Tolerance Festival | 2,015 |
| Ana's Festival Rogaška Slatina | 2,015 |
| Stiropor Festival | 2,014 |
| Floating Castle Festival | 2,014 |
| Film Mixer Independent Film Festival | 2,014 |
| Kurja polt Genre Film Festival | 2,014 |
| Drama Festival | 2,014 |
| Zasavje Noisefest International | 2,014 |
| Deuje babe Festival | 2,013 |
| MetalDays | 2,013 |
| Tinta Festival | 2,013 |
| Design Biotop | 2,013 |
| Festival IZIS | 2,013 |
| CoFestival | 2,012 |
| Slovenian Caricature Festival | 2,012 |
| Sound Disobedience | 2,012 |
| DOKUDOC International Documentary Film Festival | 2,012 |
| Maribum Afriqui Festival | 2,012 |
| Music of the World Festival, Kromberk | 2,012 |
| KOFF Koroška Outdoor Film Festival | 2,012 |
| Punk Rock Holiday | 2,011 |
| Stoptrik International Film Festival | 2,011 |
| Brda Contemporary Music Festival | 2,011 |
| Enimation, International Children and Youth Film Festival | 2,011 |
| Festival of European and Mediterranean Film | 2,010 |
| Spider Festival | 2,010 |
| Festival of Migrant Film | 2,010 |
| Blind Date Convention, Festival of the Artist’s Book | 2,010 |
| Crossings Festival | 2,010 |
| Ljubljana International Short Film Festival | 2,009 |
| International Ceramics Triennial Unicum | 2,009 |
| Sonica International Festival of Transitory Art | 2,009 |
| Festival of Independent Film | 2,009 |
| In Memoriam Prof. Peter Hafner Festival | 2,009 |
| SubArt Festival | 2,009 |
| Beached Whale Festival | 2,009 |
| DokuBazaar, Ljubljana Independent Documentary Film Festival | 2,009 |
| Beavers Festival of Culture and Art Education | 2,009 |
| Godibodi Festival | 2,008 |
| Klovnbuf Festival | 2,008 |
| Lighting Guerrilla Festival | 2,008 |
| Lirikonfest | 2,008 |
| Speculum Artium Festival | 2,008 |
| Ukrep - Festival of Dance Perspectives | 2,008 |
| Big Architecture Festival | 2,009
2,008 |
| Video in Progress Festival | 2,008 |
| BOFF Bovec Outdoor Film Festival | 2,008 |
| Breka Fest | 2,008 |
| Young Rhymes | 2,008 |
| Kramp Fest | 2,008 |
| Avsenik Festival | 2,008 |
| International Biennial of Contemporary Music Koper | 2,008 |
| Panč Festival | 2,008 |
| ČrnFest | 2,008 |
| Days of Ethnographic Film | 2,007 |
| BUMfest International Percussion Festival | 2,007 |
| Independent Biennial | 2,007 |
| Contemporary dance Platform | 2,007 |
| Mladinsko Showcase | 2,007 |
| Front@ Contemporary Dance Festival | 2,006 |
| Grossmann Fantastic Film and Wine Festival | 2,005 |
| Etnika International World Music Festival | 2,005 |
| Gora Rocka | 2,005 |
| Photonic Moments – Month of Photography | 2,005 |
| Jazz Kamp Kranj | 2,004 |
| Animateka International Animated Film Festival | 2,004 |
| Pranger Festival | 2,004 |
| Kino Otok - Isola Cinema Festival | 2,004 |
| MareziJazz | 2,004 |
| International Festival of Creativity Golden Drum | 2,004 |
| Kamfest | 2,003 |
| Festival of Slovenian Jazz | 2,003 |
| Luksuz Cheap Film Festival | 2,003 |
| Sound Explicit Festival | 2,003 |
| KantFest International | 2,003 |
| PUF Festival | 2,003 |
| Art Stays, International Festival of Contemporary Art | 2,003 |
| International Conference | 2,003 |
| Mediterranean International Folklore Festival (MIFF) | 2,003 |
| Brumen Biennial of Slovenian Design | 2,003 |
| Gibanica (Moving Cake) Biennial of Slovenian Contemporary Dance Art | 2,003 |
| Rdeči revirji! - Red Beats! Festival | 2,003 |
| Naked Stage International Improvisational Theatre Festival | 2,002 |
| Videofestival Natures | 2,002 |
| KIBLIX Festival of Arts and Technology | 2,002 |
| Memefest - International Festival of Radical Communication and Art | 2,002 |
| Sanje ('Dreams') Festival | 2,002 |
| Drugajanje Festival | 2,002 |
| O•zvočenje Festival | 2,002 |
| LUPA Slovene Non-Governmental Organisations’ Festival | 2,002 |
| Tartini Festival | 2,001 |
| Club Marathon | 2,001 |
| Slovene Puppetry Biennial | 2,001 |
| Spectrum Festival | 2,001 |
| International Feminist and Queer Festival Red Dawns | 2,000 |
| Jazzinty | 2,000 |
| Pixxelpoint International Festival of Contemporary Art Practices | 2,000 |
| Summer Stage Festival Ruše | 2,000 |
| Stična Festival | 2,000 |
| Admission Free Festival | 1,999 |
| Mini Summer - International Festival for Children | 1,999 |
| Orto Fest | 1,999 |
| Cmakajne Festival of Young Creativity | 1,999 |
| Rad bi bil normalen Festival | 1,999 |
| Tribute to a Vision Film Festival | 1,999 |
| Škofja Loka Passion Play | 1,999 |
| Ana Desetnica International Street Theatre Festival | 1,998 |
| Sajeta Creative Camp | 1,998 |
| Trnje Festival | 1,998 |
| Unicum Contemporary Music Festival | 1,998 |
| Stories Today Festival | 1,998 |
| Zmaj 'ma mlade Festival | 1,997 |
| SAXGO International Saxophone Meeting | 1,997 |
| Bled Festival | 1,996 |
| Slovene Book Days | 1,996 |
| EtnoRock Festival | 1,996 |
| Jazz Cerkno Festival | 1,996 |
| Bohinj Summer Music Festival | 1,996 |
| Pomurje Summer Festival | 1,996 |
| Cankarjada Festival | 1,996 |
| Mladifest | 1,995 |
| Eye of the Word Festival | 1,995 |
| Days of Poetry and Wine Festival | 1,995 |
| City of Women International Festival of Contemporary Arts | 1,995 |
| Slovenian Polka and Waltz Festival | 1,995 |
| Biennial Festival of the Contemporary Puppetry Art LUTKE | 1,995 |
| International Festival of Computer Arts (IFCA) | 1,995 |
| U3 Triennial of Contemporary Slovene Arts | 1,994 |
| Living Literature Festival | 1,994 |
| Lent Festival | 1,993 |
| Biennial of Slovene Book Illustration | 1,993 |
| Krawal Festival | 1,993 |
| Performa Festival | 1,993 |
| Primorska Summer Festival | 1,993 |
| Days of Comedy | 1,992 |
| Vurberk Folk Pop Festival | 1,992 |
| International Choral Competition Gallus | 1,992 |
| Festival of Slovenian Film | 1,991 |
| Slovenian Advertising Festival (SOF) | 1,991 |
| Okarina Festival Bled | 1,991 |
| Ljubljana International Film Festival (LIFFe) | 1,990 |
| Pika's Festival | 1,990 |
| Summer Puppet Pier Festival | 1,990 |
| Naša pesem Choir Competition | 1,989 |
| Nights in Old Ljubljana Town | 1,988 |
| Vilenica International Literary Festival | 1,986 |
| International Music Festival Imago Slovenia | 1,986 |
| Golden Stick Festival | 1,985 |
| Slovene Music Days | 1,985 |
| Transgenerations Festival of Youth Creativity | 1,984 |
| Druga godba Festival | 1,984 |
| Summer in Velenje Festival | 1,984 |
| LGBT Film Festival | 1,984 |
| Piran Days of Architecture | 1,983 |
| Idrija Lace Festival | 1,982 |
| Radovljica Festival | 1,982 |
| Seviqc Brežice Festival | 1,982 |
| International Triennial Ecology and Art | 1,980 |
| Kogoj’s Days | 1,980 |
| Folkest Festival | 1,979 |
| Melodies of the Sea and Sun | 1,978 |
| Piran Musical Evenings | 1,978 |
| Mardi Gras at Cerknica | 1,975 |
| Week of Slovenian Drama | 1,971 |
| International Folkore Festival, Beltinci | 1,971 |
| Števerjan Festival | 1,971 |
| Slovene Choirs Meeting in Šentvid, Stična | 1,971 |
| Ptuj Festival | 1,969 |
| International PEN Writers' Meeting, Bled | 1,967 |
| Maribor Theatre Festival | 1,966 |
| Beer and Flower Festival | 1,964 |
| Ex-tempore Piran - International Painting and Ceramics | 1,964 |
| Jurjevanje in Bela krajina | 1,964 |
| Festival Maribor | 1,964 |
| Biennial of Design (BIO) | 1,963 |
| Linhart Encounter | 1,962 |
| Kurentovanje | 1,960 |
| Ljubljana Jazz Festival | 1,960 |
| Biennial of Graphic Arts | 1,955 |
| Ljubljana Festival | 1,952 |
| International Youth Choir Festival | 1,946 |
| May Salon | 1,909 |
