Gonen Segev (Hebrew: גונן שגב, born 6 January 1956) is a former Minister of Energy & Infrastructure of Israel, member of Knesset, and pediatrician.

On 7 February 1994 Tzomet MKs Segev, Esther Salmovitz, and Alex Goldfarb split from their party to form the Yiud faction.

Segev held the same minister post again from 22 November 1995 to 18 June 1996 in the government that Shimon Peres formed shortly after Yitzhak Rabin was assassinated.

In April 2004 Segev was arrested for attempting to smuggle thousands of ecstasy tablets from Amsterdam to Israel that he claimed he thought were M&M's.

In an interview with Israeli media, he stated "I’ve decided I’m not coming back to Israel unless I can return with my head held high as ‘Dr.

[16] According to Israeli authorities, Segev did not deny his contacts with Iranian officials, but claimed that he was acting as a double agent in the hopes of restoring his tarnished reputation and returning to Israel as a hero.

[18] In August 2018, Mahmoud Alavi, Iran's intelligence minister told press "you have recently heard that we brought under our control a member of a cabinet of a powerful country."

[19] On 9 January 2019, Segev pleaded guilty to charges of espionage for repeatedly meeting with Iranian intelligence officials and supplying them with information.

As part of a plea deal negotiated with prosecutors, the more serious charges of aiding an enemy during war time were dropped and he would be sentenced to 11 years in prison.