My Baby Thinks He's a Train

{{Infobox song

| name = My Baby Thinks He's a Train

| cover =

| alt =

| type = single

| artist = Rosanne Cash

| album = Seven Year Ache

| B-side = I Can't Resist

| released = August 29, 1981

| format =

| recorded =

| studio =

| venue =

| genre = Country

| length = 3:13

| label = Columbia

| writer = Leroy Preston

| producer = Rodney Crowell

| prev_title = Seven Year Ache

| prev_year = 1981

| next_title = Blue Moon with Heartache

| next_year = 1981

}}

"My Baby Thinks He's a Train" is a song written by Leroy Preston, and recorded by American country music artist Rosanne Cash. It was released in August 1981 as the second single from the album Seven Year Ache. The song was Cash's second number one on the country chart. The single stayed at number one for a single week and spent a total of 11 weeks on the country chart.{{cite book |title= The Billboard Book Of Top 40 Country Hits: 1944-2006, Second edition|last=Whitburn |first=Joel |author-link=Joel Whitburn |year=2004 |publisher=Record Research |page=77}}