婆婆纳（学名：Veronica didyma）是一种车前草科植物，也称“双肾草”。

一年至二年生草本，有短柔毛。有蓝、白、粉三种颜色。茎自基部分枝，下部匍匐地面。三角状圆形或近圆形的叶子在茎下部对生，上部互生，边缘有圆齿。早春开紫红色小花，单生于苞腋。果期3－5月。

Veronica polita or Grey Field-speedwell is a herbaceous plant species of the genus Veronica. It has hairy stems, is either prostrate or ascending, with dark green leaves that are one of petiolate, crenate, toothed, rounded, or oval. All flowers are small and bright blue. The plant has solitary axillary peduncles that are shorter or slightly longer than the leaves. It grows in many different continents of the world, including Europe, especially France, western Asia, northern Africa, and North America. Common names include enough chickweed, field speedwell, and yerba gallinera.