Radko Gudas (born June 5, 1990 in Prague, Czech Republic) is a Czech defenceman in the Tampa Bay Lightning organization.
He played for HC Kladno from 2007 to 2009 and with the junior Everett Silvertips in 2009-10.
The Lightning chose him 66th overall in the 2010 NHL Entry Draft. In the 2010 KHL Junior Draft, Avangard Omsk picked him 40th overall. He signed with Tampa Bay.
He played for the Czech Republic in the 2009 and 2010 World Junior Championships.