白桦（学名：Betula platyphylla）亦称桦木，是桦木科桦木属的植物。

别名：

• 粉华（东北）
• 桦皮树（河北）

异名：

• Betula platyphylla Suk. var. brunnea J. X. Huang
• Betula platyphylla Suk. var. phellodendroides Tung

Betula platyphylla, the Japanese white birch or Siberian silver birch, is a tree species belonging to the genus Betula. It can be found in temperate or subarctic places of Asia: Japan, China, Korea, and Siberia. The Japanese White Birch can grow to be 20 m to 30 m tall.