S Janaki got to sing duets with numerous female singers like Jikki, P Susheela, vani Jairam, S P Shailaja, Ambili etc.. in Malayalam. It was P Leela & B Vasantha who gave most memorable female-female duets along with her. Songs like Kannonu thurakku deepangaLe(With P Leela) , Kannil Meenadum(With B Vasantha) never fail to drive us nostalgic. Duet with Shanta P Nair from Murippennu (Kadavathu Thoni) is one of her personal favourite! Enjoy songs in these combinations and stay tuned for more!!
| Sno | Song | Movie | Co Singer | Music Director |
| 1 | Manimukile | Kadathukaaran | AK Sukumaran | MS Baburaj |
| 2 | Oh My Darling | Atom Bomb | Kamukara | Br Lakshmanan |
| 3 | Maalika Meloru Mannaathikkili | Kalithozhan | AM Raja | G Devarajan |
| 4 | Prapancha Hridaya | Vimochanasamaram | P Leela | MB Sreenivasan |
| 5 | Neela Neela Vaanamatha | Kalippaava | M Balamuralikrishna | BA Chidambaranath |
| 6 | Azhakil Mikachathethu | Atom Bomb | PB Sreenivas | Chidambaranath |
| 7 | Kanninayum Kanninayum | Lady Doctor | Kamukara | V Dakshinamoorthy |
| 8 | Neelanilaavin Paalkkadalil | Vimochanasamaram | Rangarajan | MB Sreenivasan |
| 9 | Ammaye Kalippikkan | Kusrithikkuttan | B Vasantha | Vijayabhaskar |
| 10 | Raghuvara Nannu | Ente Mohangal Poovaninju | With KJ Yesudas,M Balamuralikrishna | V Dakshinamoorthy |
| 11 | Kalyaanamaakaatha | Kaattumallika | P Leela | MS Baburaj |
| 12 | Nandanavaniyil | Kalithozhan | AM Raja | G Devarajan |
| 13 | Pathiraappoovonnu Kanthurakkan | Althaara | Kamukara | MB Sreenivasan |
| 14 | Kadakkannin Muna Kondu | Thurakkaatha Vaathil | Renuka | K Raghavan |
| 15 | Naanam Kunungikale | Thacholi Ambu | P Susheela | K Raghavan |
| 16 | Padarnnu Padarnnu | Yogamullaval | SP Balasubrahmanyam | RK Sekhar |
| 17 | Panchavankaattile | Randilonnu | MS Viswanathan | MS Viswanathan |
| 18 | Panchami Chandrika | Chennaaya Valarthiya Kutty | Pattanakkad Purushothaman | MK Arjunan |
| 19 | PanduPandoru | Kalopasana | Manoharan | Raghavan |
| 20 | Ee kulir nisheedhiniyil | Aayiram Kannukal | Unni Menon | Raghu Kumar |
| 21 | Marakkaanum Piriyaanum | Periyar | Freddy | PK Sivadas |
| 22 | Vayanaadan Kulirinte | Kaavalmaadam | Vani Jairam | AT Ummer |
| 23 | Koottilirunnu paattukal paadam | Choothaattam | Ambili | Shyam |
| 24 | Kaatte Vaa Kaatte Vaa | Kaithappoo | P Susheela | Shyam |
| 25 | Maamala Vazhum | Black Belt | Vani Jairam | Shyam |
| 26 | Paarayidukkil Mannundo | Thulavarsham | Kamala,Selma George | V Dakshinamoorthy |
| 27 | Neelasaagara Theeram | Yogamullaval | SP Balasubrahmanyam | RK Sekhar |
| 28 | Paarvana Rajani | Velliyaazhcha | Raveendran | MS Baburaj |
| 29 | Pathinezhaam Vayassinte | Kallippennu | B Vasantha | BA Chidambaranath |
| 30 | Umma Tharumo | Preethi | KC Varghese,Latha Raju | AT Ummer |
| 31 | Thaazhvarayil Manju Peythu | Madhuram Thirumadhuram | Cochin Ibrahim | AT Ummer |
| 32 | Mele Nandanam Poothe | Neelakkurinji Poothappol | Krishnachandran | Jerry Amaldev |
| 33 | Aakashagangayil varnangalaal | Sindoorasandhyaykku Mounam | Krishnachandran | Shyam |
| 34 | Enne Njan marannu | Naayaattu | Jolly Abraham | Shyam |
| 35 | AmbiliManavatti | EeNaadu | KJ Yesudas,P Jayachandran,JM Raju | Shyam |
| 36 | Madhumazhapozhiyum | Umaanilayam | Unni Menon | Shyam |
| 37 | Angam Prathi Anangan | Marmaram | Unni Menon | MS Viswanathan |
| 38 | ChandanakkuriCharthi | Alakal | KJ Yesudas, Ayiroor Sadasivan | V Dakshinamurthy |
| 39 | Kanavu Neythoru | Maanyashree Vishwaamithran | KP Brahmanandan | Shyam |
| 40 | Aakaasha perunthachan | Ee Naadu | JM Raju | Shyam |
| 41 | Kinaavinte varambathu | Ina | KJ Yesudas, Krishnachandran | AT Ummer |
| 42 | Mizhiyilennum Nee Choodum | Shakthi | Gopan | KJ Joy |
| 43 | Sopana gaayikaye | Enganeyundashaane | KJ Yesudas, Raveendran | Raveendran |
| 44 | Swapnathil polum | Surabheeyaamangal | Manoharan | Kannur Rajan |
| 45 | Ezhu Paalam Kadannu | Aazhi | KP Brahmanandan | Raj Kamal |
| 46 | Theeyum Kaattum Pole | Kuruppinte Kanakkupusthakam- | Unni Menon | Balachandra Menon |
| 47 | Anthivilakku | Periyar | Freddy | Job |
| 48 | Paadippokaam | Samaagamam | Johnson | Johnson |
| 49 | Gomedakam | Himam | SP Balasubrahmanyam,Jolly Abraham | Shyam |
| 50 | Imayo Then navamalar | Hai Sundari | MG Sreekumar | Ilayaraja |