Karnataka State Film Award for Best Supporting Actor is a state film award of the Indian state of Karnataka given during the annual Karnataka State Film Awards. The award honours Kannada language films.

The following is a partial list of award winners and the name of the films for which they won.

Year	Image	Winner	Role	Film	Ref(s)
2019		Tabla Nani	Kariappa	Chemistry of Kariappa	[1]
2018	–	Balaji Manohar	Seena	Churikatte	[2]
2017	–	Manjunath Hegde	Narayana	Lakshmi Narayanara Prapanchane Bere	[3]
2016	–	Naveen D. Padil		Kudla Cafe (Tulu Movie)	[4]
2015	–	Ramesh Bhat		Mana Manthana	[5]
2014	–	Arun Devasia		Nayakanahatti Sri Thipperudraswami Mahathme	[6]
2013	–	Sharath Lohitashwa	Rajegowda	Matthe Satyagraha	[7]
2012	–	Kari Subbu		Kalavu	[8]
2011	–	Shridhar	Maadayya	Kamsale Kaisale	[9]
2010-11	–	Achyuth Kumar	Kodanda	Hejjegalu	[10]
2009-10	–	Neenasam Ashwath	Yellappa	Banni	[11]
2008-09	–	M. K. Mata Uppinangadi		Gaggara (Tulu Movie)	[12]
2007-08	–	Rajesh Nataranga	Raghavendra	Moggina Jade	[13]
2006-07		Rangayana Raghu	Sathyanna	Duniya	[14]
2005-06	–	Jaggesh	Venkatesh / Upakathe Govindu	Mata	[15]
2004-05		Kishore	Shabbir	Rakshasa	[16]
2003-04		Rangayana Raghu	Chaami	Mani	[17]
2002-03		Komal Kumar	Nandeesha	Thavarige Baa Thangi	[18]
2001-02	–	Keremane Shambhu Hegde	Seetharama Shastry	Parva	[19]
2000-01		Avinash	Puttathammayya	Mathadana	[20]
1999-2000	–	Srinivasa Murthy	Ramachandra Rao	Shrirasthu Shubhamasthu	[20]
1998-89	–	Doddanna	Peter Breganzha	Tuvvi Tuvvi Tuvvi
1997-98	–	S. Shivaram	Venkob Rao	Thaayi Saheba	[21]
1996-97		Mandya Ramesh	Kappanna	Nagamandala
1995-96		Girish Karnad	Hanagal Kumaraswamiji	Sangeetha Sagara Ganayogi Panchakshara Gavai
1994-95	–	Karibasavaiah	Dibba	Kotreshi Kanasu
1993-94	–	Krishne Gowda	Narasimhayya	Karimaleya Kaggatthalu
1992-93	–	H. G. Somashekara Rao	Rudrappa	Harakeya Kuri
1991-92	–	Udaya Maheshwar		Pathitha Pavani
1990-91	–	K. S. Ashwath	Belliyappa	Muthina Haara	[22]
1989-90		Girish Karnad	Guru Govinda Bhatta	Santha Shishunala Sharifa
1988-89	–	Mysore Lokesh		Prajegalu Prabhugalu
1987-88		H. G. Dattatreya	Srinivasayya	Aasphota
1986-87		Devaraj	Chandru	Aaganthuka
1985-86		Ambareesh	Singaru	Masanada Hoovu
1984-85	–	Shyamsundar		Avala Antharanga
1983-84	–	Aravind	Manjayya Seregara	Anubhava
1982-83	–	Vajramuni		Betthale Seve
1981-82	–	Srinivasa Murthy		Naari Swargakke Daari
1980-81		Ramakrishna	Shekhar	Ranganayaki
1979-80	–	Lokanath	Prabhakar Rao / Thaatha	Minchina Ota
1978-79	–	Sundar Krishna Urs	Peramadi	Ondanondu Kaladalli
1977-78	–	Udaykumar	Ramanna Perumal	Hemavathi
1976-77	–	N. Rathna	Gowda	Rishya Shringa
1975-76	–	Master Umesh	Thimmarayi	Katha Sangama
1974-75	–	H. B. Yajaman		Kankana
1973-74	–	Ranga	Kumar	Edakallu Guddada Mele
1972-73	–	K. S. Ashwath	Chamayya	Naagarahaavu
1971-72		T. N. Balakrishna	Rachutappa	Bangarada Manushya
1970-71	–	B. R. Jayaram		Samskara
1969-70	–	Ranga	Honna	Punarjanma
1968-69	–	K. S. Ashwath	Srinivasayya	Namma Makkalu
1967-68	–	Udaykumar	Kashipathayya	Chakra Theertha

• Cinema of Karnataka
• List of Kannada-language films