Philippe de Weck (French pronunciation: [fɪˈlip də vɛk]; 2 January 1919 - 11 December 2009) was a Swiss banker and banking executive.

Most notably he was the president of the Swiss Bank Corporation (predecessor of UBS) from 1976 to 1980.

[4] He was a grandson of private banker and mayor of Fribourg Ernest de Weck.

He completed his Maturité at Collège Saint-Michel and graduated with a licentiate degree in law from University of Fribourg.

Between 1976 and 1980 he served as president of the Swiss Bank Corporation, followed by a regular seat on the board of directors until 1988.